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            "indicator": "Drukkersbedrijven Pos.C", 
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            "indicator": "Drukkersbedrijven Pos.C", 
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            "indicator": "Drukkersbedrijven Pos.C", 
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            "indicator": "Drukkersbedrijven Pos.C", 
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            "amsterdam_code": "10702", 
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            "indicator": "Drukkersbedrijven Pos.C", 
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            "code": "BOC1", 
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            "indicator": "Drukkersbedrijven Pos.C", 
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            "indicator": "Drukkersbedrijven Pos.C", 
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            "indicator": "Drukkersbedrijven Pos.C", 
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            "indicator": "Drukkersbedrijven Pos.C", 
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            "indicator": "Drukkersbedrijven Pos.C", 
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            "indicator": "Drukkersbedrijven Pos.C", 
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            "indicator": "Drukkersbedrijven Pos.C", 
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            "year": 1930
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            "code": "BOC1", 
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            "indicator": "Drukkersbedrijven Pos.C", 
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            "value": 1.0, 
            "year": 1899
        }, 
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            "cbsnr": "79", 
            "code": "BOC1", 
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            "indicator": "Drukkersbedrijven Pos.C", 
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            "value": 2.0, 
            "year": 1930
        }, 
        {
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            "cbsnr": "80", 
            "code": "BOC1", 
            "id": 3804633, 
            "indicator": "Drukkersbedrijven Pos.C", 
            "naam": "LEEUWARDEN", 
            "value": 15.0, 
            "year": 1899
        }, 
        {
            "amsterdam_code": "11228", 
            "cbsnr": "80", 
            "code": "BOC1", 
            "id": 3804708, 
            "indicator": "Drukkersbedrijven Pos.C", 
            "naam": "LEEUWARDEN", 
            "value": 11.0, 
            "year": 1930
        }, 
        {
            "amsterdam_code": "10851", 
            "cbsnr": "81", 
            "code": "BOC1", 
            "id": 3804818, 
            "indicator": "Drukkersbedrijven Pos.C", 
            "naam": "LEEUWARDERADEEL", 
            "value": 1.0, 
            "year": 1899
        }, 
        {
            "amsterdam_code": "10142", 
            "cbsnr": "82", 
            "code": "BOC1", 
            "id": 3804965, 
            "indicator": "Drukkersbedrijven Pos.C", 
            "naam": "LEMSTERLAND", 
            "value": 1.0, 
            "year": 1899
        }, 
        {
            "amsterdam_code": "10142", 
            "cbsnr": "82", 
            "code": "BOC1", 
            "id": 3805009, 
            "indicator": "Drukkersbedrijven Pos.C", 
            "naam": "LEMSTERLAND", 
            "value": 1.0, 
            "year": 1930
        }, 
        {
            "amsterdam_code": "10405", 
            "cbsnr": "90", 
            "code": "BOC1", 
            "id": 3805724, 
            "indicator": "Drukkersbedrijven Pos.C", 
            "naam": "SMALLINGERLAND", 
            "value": 2.0, 
            "year": 1930
        }, 
        {
            "amsterdam_code": "11421", 
            "cbsnr": "91", 
            "code": "BOC1", 
            "id": 3805827, 
            "indicator": "Drukkersbedrijven Pos.C", 
            "naam": "SNEEK", 
            "value": 6.0, 
            "year": 1899
        }, 
        {
            "amsterdam_code": "11421", 
            "cbsnr": "91", 
            "code": "BOC1", 
            "id": 3805894, 
            "indicator": "Drukkersbedrijven Pos.C", 
            "naam": "SNEEK", 
            "value": 2.0, 
            "year": 1930
        }, 
        {
            "amsterdam_code": "11241", 
            "cbsnr": "94", 
            "code": "BOC1", 
            "id": 3806116, 
            "indicator": "Drukkersbedrijven Pos.C", 
            "naam": "TIETJERKSTERADEEL", 
            "value": 1.0, 
            "year": 1930
        }, 
        {
            "amsterdam_code": "11322", 
            "cbsnr": "98", 
            "code": "BOC1", 
            "id": 3806520, 
            "indicator": "Drukkersbedrijven Pos.C", 
            "naam": "WESTSTELLINGWERF", 
            "value": 2.0, 
            "year": 1930
        }, 
        {
            "amsterdam_code": "11427", 
            "cbsnr": "101", 
            "code": "BOC1", 
            "id": 3806825, 
            "indicator": "Drukkersbedrijven Pos.C", 
            "naam": "WYMBRITSERADEEL", 
            "value": 1.0, 
            "year": 1930
        }, 
        {
            "amsterdam_code": "10522", 
            "cbsnr": "106", 
            "code": "BOC1", 
            "id": 3806971, 
            "indicator": "Drukkersbedrijven Pos.C", 
            "naam": "ASSEN", 
            "value": 6.0, 
            "year": 1899
        }, 
        {
            "amsterdam_code": "10522", 
            "cbsnr": "106", 
            "code": "BOC1", 
            "id": 3807032, 
            "indicator": "Drukkersbedrijven Pos.C", 
            "naam": "ASSEN", 
            "value": 4.0, 
            "year": 1930
        }, 
        {
            "amsterdam_code": "11180", 
            "cbsnr": "114", 
            "code": "BOC1", 
            "id": 3807411, 
            "indicator": "Drukkersbedrijven Pos.C", 
            "naam": "EMMEN", 
            "value": 2.0, 
            "year": 1899
        }, 
        {
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            "cbsnr": "114", 
            "code": "BOC1", 
            "id": 3807457, 
            "indicator": "Drukkersbedrijven Pos.C", 
            "naam": "EMMEN", 
            "value": 1.0, 
            "year": 1930
        }, 
        {
            "amsterdam_code": "10839", 
            "cbsnr": "118", 
            "code": "BOC1", 
            "id": 3807682, 
            "indicator": "Drukkersbedrijven Pos.C", 
            "naam": "HOOGEVEEN", 
            "value": 1.0, 
            "year": 1930
        }, 
        {
            "amsterdam_code": "11204", 
            "cbsnr": "119", 
            "code": "BOC1", 
            "id": 3807785, 
            "indicator": "Drukkersbedrijven Pos.C", 
            "naam": "MEPPEL", 
            "value": 6.0, 
            "year": 1899
        }, 
        {
            "amsterdam_code": "11204", 
            "cbsnr": "119", 
            "code": "BOC1", 
            "id": 3807848, 
            "indicator": "Drukkersbedrijven Pos.C", 
            "naam": "MEPPEL", 
            "value": 2.0, 
            "year": 1930
        }, 
        {
            "amsterdam_code": "11053", 
            "cbsnr": "141", 
            "code": "BOC1", 
            "id": 3808618, 
            "indicator": "Drukkersbedrijven Pos.C", 
            "naam": "ALMELO", 
            "value": 5.0, 
            "year": 1930
        }, 
        {
            "amsterdam_code": "10899", 
            "cbsnr": "150", 
            "code": "BOC1", 
            "id": 3809209, 
            "indicator": "Drukkersbedrijven Pos.C", 
            "naam": "DEVENTER", 
            "value": 12.0, 
            "year": 1899
        }, 
        {
            "amsterdam_code": "10899", 
            "cbsnr": "150", 
            "code": "BOC1", 
            "id": 3809277, 
            "indicator": "Drukkersbedrijven Pos.C", 
            "naam": "DEVENTER", 
            "value": 12.0, 
            "year": 1930
        }, 
        {
            "amsterdam_code": "10364", 
            "cbsnr": "153", 
            "code": "BOC1", 
            "id": 3809442, 
            "indicator": "Drukkersbedrijven Pos.C", 
            "naam": "ENSCHEDE", 
            "value": 3.0, 
            "year": 1899
        }, 
        {
            "amsterdam_code": "10364", 
            "cbsnr": "153", 
            "code": "BOC1", 
            "id": 3809507, 
            "indicator": "Drukkersbedrijven Pos.C", 
            "naam": "ENSCHEDE", 
            "value": 9.0, 
            "year": 1930
        }, 
        {
            "amsterdam_code": "10806", 
            "cbsnr": "163", 
            "code": "BOC1", 
            "id": 3809951, 
            "indicator": "Drukkersbedrijven Pos.C", 
            "naam": "HELLENDOORN", 
            "value": 1.0, 
            "year": 1930
        }, 
        {
            "amsterdam_code": "10907", 
            "cbsnr": "164", 
            "code": "BOC1", 
            "id": 3810049, 
            "indicator": "Drukkersbedrijven Pos.C", 
            "naam": "HENGELO O", 
            "value": 3.0, 
            "year": 1899
        }, 
        {
            "amsterdam_code": "10907", 
            "cbsnr": "164", 
            "code": "BOC1", 
            "id": 3810108, 
            "indicator": "Drukkersbedrijven Pos.C", 
            "naam": "HENGELO O", 
            "value": 5.0, 
            "year": 1930
        }, 
        {
            "amsterdam_code": "10253", 
            "cbsnr": "166", 
            "code": "BOC1", 
            "id": 3810251, 
            "indicator": "Drukkersbedrijven Pos.C", 
            "naam": "KAMPEN", 
            "value": 4.0, 
            "year": 1899
        }, 
        {
            "amsterdam_code": "10253", 
            "cbsnr": "166", 
            "code": "BOC1", 
            "id": 3810311, 
            "indicator": "Drukkersbedrijven Pos.C", 
            "naam": "KAMPEN", 
            "value": 4.0, 
            "year": 1930
        }, 
        {
            "amsterdam_code": "11100", 
            "cbsnr": "173", 
            "code": "BOC1", 
            "id": 3810623, 
            "indicator": "Drukkersbedrijven Pos.C", 
            "naam": "OLDENZAAL", 
            "value": 1.0, 
            "year": 1899
        }, 
        {
            "amsterdam_code": "11100", 
            "cbsnr": "173", 
            "code": "BOC1", 
            "id": 3810674, 
            "indicator": "Drukkersbedrijven Pos.C", 
            "naam": "OLDENZAAL", 
            "value": 1.0, 
            "year": 1930
        }, 
        {
            "amsterdam_code": "10358", 
            "cbsnr": "178", 
            "code": "BOC1", 
            "id": 3810925, 
            "indicator": "Drukkersbedrijven Pos.C", 
            "naam": "RIJSSEN", 
            "value": 1.0, 
            "year": 1899
        }, 
        {
            "amsterdam_code": "11362", 
            "cbsnr": "180", 
            "code": "BOC1", 
            "id": 3811090, 
            "indicator": "Drukkersbedrijven Pos.C", 
            "naam": "STAPHORST", 
            "value": 1.0, 
            "year": 1930
        }, 
        {
            "amsterdam_code": "10546", 
            "cbsnr": "181", 
            "code": "BOC1", 
            "id": 3811172, 
            "indicator": "Drukkersbedrijven Pos.C", 
            "naam": "STEENWIJK", 
            "value": 1.0, 
            "year": 1899
        }, 
        {
            "amsterdam_code": "10694", 
            "cbsnr": "183", 
            "code": "BOC1", 
            "id": 3811439, 
            "indicator": "Drukkersbedrijven Pos.C", 
            "naam": "TUBBERGEN", 
            "value": 1.0, 
            "year": 1899
        }, 
        {
            "amsterdam_code": "10093", 
            "cbsnr": "193", 
            "code": "BOC1", 
            "id": 3811903, 
            "indicator": "Drukkersbedrijven Pos.C", 
            "naam": "ZWOLLE", 
            "value": 9.0, 
            "year": 1899
        }, 
        {
            "amsterdam_code": "10093", 
            "cbsnr": "193", 
            "code": "BOC1", 
            "id": 3811970, 
            "indicator": "Drukkersbedrijven Pos.C", 
            "naam": "ZWOLLE", 
            "value": 14.0, 
            "year": 1930
        }, 
        {
            "amsterdam_code": "11046", 
            "cbsnr": "197", 
            "code": "BOC1", 
            "id": 3812114, 
            "indicator": "Drukkersbedrijven Pos.C", 
            "naam": "AALTEN", 
            "value": 1.0, 
            "year": 1930
        }, 
        {
            "amsterdam_code": "11075", 
            "cbsnr": "200", 
            "code": "BOC1", 
            "id": 3812267, 
            "indicator": "Drukkersbedrijven Pos.C", 
            "naam": "APELDOORN", 
            "value": 3.0, 
            "year": 1899
        }, 
        {
            "amsterdam_code": "11075", 
            "cbsnr": "200", 
            "code": "BOC1", 
            "id": 3812335, 
            "indicator": "Drukkersbedrijven Pos.C", 
            "naam": "APELDOORN", 
            "value": 8.0, 
            "year": 1930
        }, 
        {
            "amsterdam_code": "10795", 
            "cbsnr": "202", 
            "code": "BOC1", 
            "id": 3812492, 
            "indicator": "Drukkersbedrijven Pos.C", 
            "naam": "ARNHEM", 
            "value": 30.0, 
            "year": 1899
        }, 
        {
            "amsterdam_code": "10795", 
            "cbsnr": "202", 
            "code": "BOC1", 
            "id": 3812566, 
            "indicator": "Drukkersbedrijven Pos.C", 
            "naam": "ARNHEM", 
            "value": 25.0, 
            "year": 1930
        }, 
        {
            "amsterdam_code": "10342", 
            "cbsnr": "216", 
            "code": "BOC1", 
            "id": 3813422, 
            "indicator": "Drukkersbedrijven Pos.C", 
            "naam": "CULEMBORG", 
            "value": 2.0, 
            "year": 1899
        }, 
        {
            "amsterdam_code": "10743", 
            "cbsnr": "228", 
            "code": "BOC1", 
            "id": 3813910, 
            "indicator": "Drukkersbedrijven Pos.C", 
            "naam": "EDE", 
            "value": 2.0, 
            "year": 1930
        }, 
        {
            "amsterdam_code": "10436", 
            "cbsnr": "229", 
            "code": "BOC1", 
            "id": 3814043, 
            "indicator": "Drukkersbedrijven Pos.C", 
            "naam": "EIBERGEN", 
            "value": 1.0, 
            "year": 1930
        }, 
        {
            "amsterdam_code": "10940", 
            "cbsnr": "232", 
            "code": "BOC1", 
            "id": 3814278, 
            "indicator": "Drukkersbedrijven Pos.C", 
            "naam": "EPE", 
            "value": 1.0, 
            "year": 1899
        }, 
        {
            "amsterdam_code": "10940", 
            "cbsnr": "232", 
            "code": "BOC1", 
            "id": 3814325, 
            "indicator": "Drukkersbedrijven Pos.C", 
            "naam": "EPE", 
            "value": 3.0, 
            "year": 1930
        }, 
        {
            "amsterdam_code": "10732", 
            "cbsnr": "233", 
            "code": "BOC1", 
            "id": 3814410, 
            "indicator": "Drukkersbedrijven Pos.C", 
            "naam": "ERMELO", 
            "value": 3.0, 
            "year": 1899
        }, 
        {
            "amsterdam_code": "10786", 
            "cbsnr": "243", 
            "code": "BOC1", 
            "id": 3814974, 
            "indicator": "Drukkersbedrijven Pos.C", 
            "naam": "HARDERWIJK", 
            "value": 1.0, 
            "year": 1899
        }, 
        {
            "amsterdam_code": "10786", 
            "cbsnr": "243", 
            "code": "BOC1", 
            "id": 3815026, 
            "indicator": "Drukkersbedrijven Pos.C", 
            "naam": "HARDERWIJK", 
            "value": 1.0, 
            "year": 1930
        }, 
        {
            "amsterdam_code": "10446", 
            "cbsnr": "267", 
            "code": "BOC1", 
            "id": 3815830, 
            "indicator": "Drukkersbedrijven Pos.C", 
            "naam": "NIJKERK", 
            "value": 1.0, 
            "year": 1899
        }, 
        {
            "amsterdam_code": "10446", 
            "cbsnr": "267", 
            "code": "BOC1", 
            "id": 3815880, 
            "indicator": "Drukkersbedrijven Pos.C", 
            "naam": "NIJKERK", 
            "value": 2.0, 
            "year": 1930
        }, 
        {
            "amsterdam_code": "11209", 
            "cbsnr": "268", 
            "code": "BOC1", 
            "id": 3815988, 
            "indicator": "Drukkersbedrijven Pos.C", 
            "naam": "NIJMEGEN", 
            "value": 23.0, 
            "year": 1899
        }, 
        {
            "amsterdam_code": "11209", 
            "cbsnr": "268", 
            "code": "BOC1", 
            "id": 3816063, 
            "indicator": "Drukkersbedrijven Pos.C", 
            "naam": "NIJMEGEN", 
            "value": 20.0, 
            "year": 1930
        }, 
        {
            "amsterdam_code": "11355", 
            "cbsnr": "275", 
            "code": "BOC1", 
            "id": 3816636, 
            "indicator": "Drukkersbedrijven Pos.C", 
            "naam": "RHEDEN", 
            "value": 1.0, 
            "year": 1899
        }, 
        {
            "amsterdam_code": "11355", 
            "cbsnr": "275", 
            "code": "BOC1", 
            "id": 3816697, 
            "indicator": "Drukkersbedrijven Pos.C", 
            "naam": "RHEDEN", 
            "value": 2.0, 
            "year": 1930
        }, 
        {
            "amsterdam_code": "10027", 
            "cbsnr": "281", 
            "code": "BOC1", 
            "id": 3817007, 
            "indicator": "Drukkersbedrijven Pos.C", 
            "naam": "TIEL", 
            "value": 1.0, 
            "year": 1930
        }, 
        {
            "amsterdam_code": "11010", 
            "cbsnr": "289", 
            "code": "BOC1", 
            "id": 3817482, 
            "indicator": "Drukkersbedrijven Pos.C", 
            "naam": "WAGENINGEN", 
            "value": 2.0, 
            "year": 1899
        }, 
        {
            "amsterdam_code": "11010", 
            "cbsnr": "289", 
            "code": "BOC1", 
            "id": 3817540, 
            "indicator": "Drukkersbedrijven Pos.C", 
            "naam": "WAGENINGEN", 
            "value": 4.0, 
            "year": 1930
        }, 
        {
            "amsterdam_code": "10318", 
            "cbsnr": "295", 
            "code": "BOC1", 
            "id": 3817993, 
            "indicator": "Drukkersbedrijven Pos.C", 
            "naam": "WISCH", 
            "value": 1.0, 
            "year": 1930
        }, 
        {
            "amsterdam_code": "10254", 
            "cbsnr": "301", 
            "code": "BOC1", 
            "id": 3818231, 
            "indicator": "Drukkersbedrijven Pos.C", 
            "naam": "ZUTPHEN", 
            "value": 10.0, 
            "year": 1899
        }, 
        {
            "amsterdam_code": "10254", 
            "cbsnr": "301", 
            "code": "BOC1", 
            "id": 3818295, 
            "indicator": "Drukkersbedrijven Pos.C", 
            "naam": "ZUTPHEN", 
            "value": 8.0, 
            "year": 1930
        }, 
        {
            "amsterdam_code": "10948", 
            "cbsnr": "307", 
            "code": "BOC1", 
            "id": 3818473, 
            "indicator": "Drukkersbedrijven Pos.C", 
            "naam": "AMERSFOORT", 
            "value": 4.0, 
            "year": 1899
        }, 
        {
            "amsterdam_code": "10948", 
            "cbsnr": "307", 
            "code": "BOC1", 
            "id": 3818540, 
            "indicator": "Drukkersbedrijven Pos.C", 
            "naam": "AMERSFOORT", 
            "value": 11.0, 
            "year": 1930
        }, 
        {
            "amsterdam_code": "11411", 
            "cbsnr": "308", 
            "code": "BOC1", 
            "id": 3818648, 
            "indicator": "Drukkersbedrijven Pos.C", 
            "naam": "BAARN", 
            "value": 1.0, 
            "year": 1899
        }, 
        {
            "amsterdam_code": "11411", 
            "cbsnr": "308", 
            "code": "BOC1", 
            "id": 3818702, 
            "indicator": "Drukkersbedrijven Pos.C", 
            "naam": "BAARN", 
            "value": 4.0, 
            "year": 1930
        }, 
        {
            "amsterdam_code": "10309", 
            "cbsnr": "340", 
            "code": "BOC1", 
            "id": 3820239, 
            "indicator": "Drukkersbedrijven Pos.C", 
            "naam": "RHENEN", 
            "value": 1.0, 
            "year": 1930
        }, 
        {
            "amsterdam_code": "10722", 
            "cbsnr": "344", 
            "code": "BOC1", 
            "id": 3820472, 
            "indicator": "Drukkersbedrijven Pos.C", 
            "naam": "UTRECHT", 
            "value": 44.0, 
            "year": 1899
        }, 
        {
            "amsterdam_code": "10722", 
            "cbsnr": "344", 
            "code": "BOC1", 
            "id": 3820550, 
            "indicator": "Drukkersbedrijven Pos.C", 
            "naam": "UTRECHT", 
            "value": 38.0, 
            "year": 1930
        }, 
        {
            "amsterdam_code": "11052", 
            "cbsnr": "345", 
            "code": "BOC1", 
            "id": 3820657, 
            "indicator": "Drukkersbedrijven Pos.C", 
            "naam": "VEENENDAAL", 
            "value": 1.0, 
            "year": 1899
        }, 
        {
            "amsterdam_code": "11052", 
            "cbsnr": "345", 
            "code": "BOC1", 
            "id": 3820697, 
            "indicator": "Drukkersbedrijven Pos.C", 
            "naam": "VEENENDAAL", 
            "value": 1.0, 
            "year": 1930
        }, 
        {
            "amsterdam_code": "10324", 
            "cbsnr": "355", 
            "code": "BOC1", 
            "id": 3821174, 
            "indicator": "Drukkersbedrijven Pos.C", 
            "naam": "ZEIST", 
            "value": 1.0, 
            "year": 1899
        }, 
        {
            "amsterdam_code": "10324", 
            "cbsnr": "355", 
            "code": "BOC1", 
            "id": 3821241, 
            "indicator": "Drukkersbedrijven Pos.C", 
            "naam": "ZEIST", 
            "value": 3.0, 
            "year": 1930
        }, 
        {
            "amsterdam_code": "10527", 
            "cbsnr": "361", 
            "code": "BOC1", 
            "id": 3821436, 
            "indicator": "Drukkersbedrijven Pos.C", 
            "naam": "ALKMAAR", 
            "value": 7.0, 
            "year": 1899
        }, 
        {
            "amsterdam_code": "10527", 
            "cbsnr": "361", 
            "code": "BOC1", 
            "id": 3821507, 
            "indicator": "Drukkersbedrijven Pos.C", 
            "naam": "ALKMAAR", 
            "value": 10.0, 
            "year": 1930
        }, 
        {
            "amsterdam_code": "11150", 
            "cbsnr": "363", 
            "code": "BOC1", 
            "id": 3821635, 
            "indicator": "Drukkersbedrijven Pos.C", 
            "naam": "AMSTERDAM", 
            "value": 229.0, 
            "year": 1899
        }, 
        {
            "amsterdam_code": "11150", 
            "cbsnr": "363", 
            "code": "BOC1", 
            "id": 3821721, 
            "indicator": "Drukkersbedrijven Pos.C", 
            "naam": "AMSTERDAM", 
            "value": 211.0, 
            "year": 1930
        }, 
        {
            "amsterdam_code": "10272", 
            "cbsnr": "375", 
            "code": "BOC1", 
            "id": 3822077, 
            "indicator": "Drukkersbedrijven Pos.C", 
            "naam": "BEVERWIJK", 
            "value": 2.0, 
            "year": 1899
        }, 
        {
            "amsterdam_code": "10850", 
            "cbsnr": "377", 
            "code": "BOC1", 
            "id": 3822269, 
            "indicator": "Drukkersbedrijven Pos.C", 
            "naam": "BLOEMENDAAL", 
            "value": 3.0, 
            "year": 1930
        }, 
        {
            "amsterdam_code": "10281", 
            "cbsnr": "381", 
            "code": "BOC1", 
            "id": 3822429, 
            "indicator": "Drukkersbedrijven Pos.C", 
            "naam": "BUSSUM", 
            "value": 2.0, 
            "year": 1899
        }, 
        {
            "amsterdam_code": "10281", 
            "cbsnr": "381", 
            "code": "BOC1", 
            "id": 3822492, 
            "indicator": "Drukkersbedrijven Pos.C", 
            "naam": "BUSSUM", 
            "value": 8.0, 
            "year": 1930
        }, 
        {
            "amsterdam_code": "10884", 
            "cbsnr": "385", 
            "code": "BOC1", 
            "id": 3822687, 
            "indicator": "Drukkersbedrijven Pos.C", 
            "naam": "EDAM-VOLENDAM", 
            "value": 3.0, 
            "year": 1899
        }, 
        {
            "amsterdam_code": "10884", 
            "cbsnr": "385", 
            "code": "BOC1", 
            "id": 3822742, 
            "indicator": "Drukkersbedrijven Pos.C", 
            "naam": "EDAM-VOLENDAM", 
            "value": 1.0, 
            "year": 1930
        }, 
        {
            "amsterdam_code": "10729", 
            "cbsnr": "388", 
            "code": "BOC1", 
            "id": 3822881, 
            "indicator": "Drukkersbedrijven Pos.C", 
            "naam": "ENKHUIZEN", 
            "value": 1.0, 
            "year": 1899
        }, 
        {
            "amsterdam_code": "10729", 
            "cbsnr": "388", 
            "code": "BOC1", 
            "id": 3822938, 
            "indicator": "Drukkersbedrijven Pos.C", 
            "naam": "ENKHUIZEN", 
            "value": 2.0, 
            "year": 1930
        }, 
        {
            "amsterdam_code": "10357", 
            "cbsnr": "392", 
            "code": "BOC1", 
            "id": 3823132, 
            "indicator": "Drukkersbedrijven Pos.C", 
            "naam": "HAARLEM", 
            "value": 48.0, 
            "year": 1899
        }, 
        {
            "amsterdam_code": "10357", 
            "cbsnr": "392", 
            "code": "BOC1", 
            "id": 3823214, 
            "indicator": "Drukkersbedrijven Pos.C", 
            "naam": "HAARLEM", 
            "value": 60.0, 
            "year": 1930
        }, 
        {
            "amsterdam_code": "11387", 
            "cbsnr": "394", 
            "code": "BOC1", 
            "id": 3823355, 
            "indicator": "Drukkersbedrijven Pos.C", 
            "naam": "HAARLEMMERMEER", 
            "value": 1.0, 
            "year": 1899
        }, 
        {
            "amsterdam_code": "11387", 
            "cbsnr": "394", 
            "code": "BOC1", 
            "id": 3823402, 
            "indicator": "Drukkersbedrijven Pos.C", 
            "naam": "HAARLEMMERMEER", 
            "value": 1.0, 
            "year": 1930
        }, 
        {
            "amsterdam_code": "10285", 
            "cbsnr": "400", 
            "code": "BOC1", 
            "id": 3823636, 
            "indicator": "Drukkersbedrijven Pos.C", 
            "naam": "DEN HELDER", 
            "value": 2.0, 
            "year": 1899
        }, 
        {
            "amsterdam_code": "10285", 
            "cbsnr": "400", 
            "code": "BOC1", 
            "id": 3823697, 
            "indicator": "Drukkersbedrijven Pos.C", 
            "naam": "DEN HELDER", 
            "value": 4.0, 
            "year": 1930
        }, 
        {
            "amsterdam_code": "11285", 
            "cbsnr": "402", 
            "code": "BOC1", 
            "id": 3823830, 
            "indicator": "Drukkersbedrijven Pos.C", 
            "naam": "HILVERSUM", 
            "value": 5.0, 
            "year": 1899
        }, 
        {
            "amsterdam_code": "11285", 
            "cbsnr": "402", 
            "code": "BOC1", 
            "id": 3823904, 
            "indicator": "Drukkersbedrijven Pos.C", 
            "naam": "HILVERSUM", 
            "value": 8.0, 
            "year": 1930
        }, 
        {
            "amsterdam_code": "11392", 
            "cbsnr": "405", 
            "code": "BOC1", 
            "id": 3824076, 
            "indicator": "Drukkersbedrijven Pos.C", 
            "naam": "HOORN", 
            "value": 2.0, 
            "year": 1899
        }, 
        {
            "amsterdam_code": "11392", 
            "cbsnr": "405", 
            "code": "BOC1", 
            "id": 3824138, 
            "indicator": "Drukkersbedrijven Pos.C", 
            "naam": "HOORN", 
            "value": 5.0, 
            "year": 1930
        }, 
        {
            "amsterdam_code": "11066", 
            "cbsnr": "439", 
            "code": "BOC1", 
            "id": 3825081, 
            "indicator": "Drukkersbedrijven Pos.C", 
            "naam": "PURMEREND", 
            "value": 2.0, 
            "year": 1899
        }, 
        {
            "amsterdam_code": "11066", 
            "cbsnr": "439", 
            "code": "BOC1", 
            "id": 3825135, 
            "indicator": "Drukkersbedrijven Pos.C", 
            "naam": "PURMEREND", 
            "value": 2.0, 
            "year": 1930
        }, 
        {
            "amsterdam_code": "10237", 
            "cbsnr": "448", 
            "code": "BOC1", 
            "id": 3825433, 
            "indicator": "Drukkersbedrijven Pos.C", 
            "naam": "TEXEL", 
            "value": 1.0, 
            "year": 1899
        }, 
        {
            "amsterdam_code": "10237", 
            "cbsnr": "448", 
            "code": "BOC1", 
            "id": 3825473, 
            "indicator": "Drukkersbedrijven Pos.C", 
            "naam": "TEXEL", 
            "value": 1.0, 
            "year": 1930
        }, 
        {
            "amsterdam_code": "10620", 
            "cbsnr": "453", 
            "code": "BOC1", 
            "id": 3825668, 
            "indicator": "Drukkersbedrijven Pos.C", 
            "naam": "VELSEN", 
            "value": 1.0, 
            "year": 1899
        }, 
        {
            "amsterdam_code": "10620", 
            "cbsnr": "453", 
            "code": "BOC1", 
            "id": 3825729, 
            "indicator": "Drukkersbedrijven Pos.C", 
            "naam": "VELSEN", 
            "value": 3.0, 
            "year": 1930
        }, 
        {
            "amsterdam_code": "10773", 
            "cbsnr": "457", 
            "code": "BOC1", 
            "id": 3825919, 
            "indicator": "Drukkersbedrijven Pos.C", 
            "naam": "WEESP", 
            "value": 1.0, 
            "year": 1899
        }, 
        {
            "amsterdam_code": "10773", 
            "cbsnr": "457", 
            "code": "BOC1", 
            "id": 3825968, 
            "indicator": "Drukkersbedrijven Pos.C", 
            "naam": "WEESP", 
            "value": 1.0, 
            "year": 1930
        }, 
        {
            "amsterdam_code": "10361", 
            "cbsnr": "468", 
            "code": "BOC1", 
            "id": 3826271, 
            "indicator": "Drukkersbedrijven Pos.C", 
            "naam": "WORMERVEER", 
            "value": 1.0, 
            "year": 1899
        }, 
        {
            "amsterdam_code": "10361", 
            "cbsnr": "468", 
            "code": "BOC1", 
            "id": 3826327, 
            "indicator": "Drukkersbedrijven Pos.C", 
            "naam": "WORMERVEER", 
            "value": 4.0, 
            "year": 1930
        }, 
        {
            "amsterdam_code": "11044", 
            "cbsnr": "471", 
            "code": "BOC1", 
            "id": 3826490, 
            "indicator": "Drukkersbedrijven Pos.C", 
            "naam": "ZAANDAM", 
            "value": 5.0, 
            "year": 1899
        }, 
        {
            "amsterdam_code": "11044", 
            "cbsnr": "471", 
            "code": "BOC1", 
            "id": 3826554, 
            "indicator": "Drukkersbedrijven Pos.C", 
            "naam": "ZAANDAM", 
            "value": 8.0, 
            "year": 1930
        }, 
        {
            "amsterdam_code": "10928", 
            "cbsnr": "503", 
            "code": "BOC1", 
            "id": 3827465, 
            "indicator": "Drukkersbedrijven Pos.C", 
            "naam": "DELFT", 
            "value": 9.0, 
            "year": 1899
        }, 
        {
            "amsterdam_code": "10928", 
            "cbsnr": "503", 
            "code": "BOC1", 
            "id": 3827538, 
            "indicator": "Drukkersbedrijven Pos.C", 
            "naam": "DELFT", 
            "value": 16.0, 
            "year": 1930
        }, 
        {
            "amsterdam_code": "11157", 
            "cbsnr": "505", 
            "code": "BOC1", 
            "id": 3827687, 
            "indicator": "Drukkersbedrijven Pos.C", 
            "naam": "DORDRECHT", 
            "value": 13.0, 
            "year": 1899
        }, 
        {
            "amsterdam_code": "11157", 
            "cbsnr": "505", 
            "code": "BOC1", 
            "id": 3827761, 
            "indicator": "Drukkersbedrijven Pos.C", 
            "naam": "DORDRECHT", 
            "value": 10.0, 
            "year": 1930
        }, 
        {
            "amsterdam_code": "10781", 
            "cbsnr": "507", 
            "code": "BOC1", 
            "id": 3827881, 
            "indicator": "Drukkersbedrijven Pos.C", 
            "naam": "DUBBELDAM", 
            "value": 1.0, 
            "year": 1930
        }, 
        {
            "amsterdam_code": "10942", 
            "cbsnr": "512", 
            "code": "BOC1", 
            "id": 3828062, 
            "indicator": "Drukkersbedrijven Pos.C", 
            "naam": "GORINCHEM", 
            "value": 4.0, 
            "year": 1899
        }, 
        {
            "amsterdam_code": "10942", 
            "cbsnr": "512", 
            "code": "BOC1", 
            "id": 3828127, 
            "indicator": "Drukkersbedrijven Pos.C", 
            "naam": "GORINCHEM", 
            "value": 5.0, 
            "year": 1930
        }, 
        {
            "amsterdam_code": "10302", 
            "cbsnr": "513", 
            "code": "BOC1", 
            "id": 3828239, 
            "indicator": "Drukkersbedrijven Pos.C", 
            "naam": "GOUDA", 
            "value": 9.0, 
            "year": 1899
        }, 
        {
            "amsterdam_code": "10302", 
            "cbsnr": "513", 
            "code": "BOC1", 
            "id": 3828309, 
            "indicator": "Drukkersbedrijven Pos.C", 
            "naam": "GOUDA", 
            "value": 7.0, 
            "year": 1930
        }, 
        {
            "amsterdam_code": "11434", 
            "cbsnr": "518", 
            "code": "BOC1", 
            "id": 3828545, 
            "indicator": "Drukkersbedrijven Pos.C", 
            "naam": "'S GRAVENHAGE", 
            "value": 86.0, 
            "year": 1899
        }, 
        {
            "amsterdam_code": "11434", 
            "cbsnr": "518", 
            "code": "BOC1", 
            "id": 3828629, 
            "indicator": "Drukkersbedrijven Pos.C", 
            "naam": "'S GRAVENHAGE", 
            "value": 91.0, 
            "year": 1930
        }, 
        {
            "amsterdam_code": "10640", 
            "cbsnr": "519", 
            "code": "BOC1", 
            "id": 3828776, 
            "indicator": "Drukkersbedrijven Pos.C", 
            "naam": "'S GRAVENZANDE", 
            "value": 1.0, 
            "year": 1930
        }, 
        {
            "amsterdam_code": "11236", 
            "cbsnr": "534", 
            "code": "BOC1", 
            "id": 3829136, 
            "indicator": "Drukkersbedrijven Pos.C", 
            "naam": "HILLEGOM", 
            "value": 1.0, 
            "year": 1899
        }, 
        {
            "amsterdam_code": "10707", 
            "cbsnr": "537", 
            "code": "BOC1", 
            "id": 3829363, 
            "indicator": "Drukkersbedrijven Pos.C", 
            "naam": "KATWIJK", 
            "value": 2.0, 
            "year": 1930
        }, 
        {
            "amsterdam_code": "10685", 
            "cbsnr": "545", 
            "code": "BOC1", 
            "id": 3829611, 
            "indicator": "Drukkersbedrijven Pos.C", 
            "naam": "LEERDAM", 
            "value": 2.0, 
            "year": 1899
        }, 
        {
            "amsterdam_code": "10702", 
            "cbsnr": "546", 
            "code": "BOC1", 
            "id": 3829761, 
            "indicator": "Drukkersbedrijven Pos.C", 
            "naam": "LEIDEN", 
            "value": 23.0, 
            "year": 1899
        }, 
        {
            "amsterdam_code": "10702", 
            "cbsnr": "546", 
            "code": "BOC1", 
            "id": 3829836, 
            "indicator": "Drukkersbedrijven Pos.C", 
            "naam": "LEIDEN", 
            "value": 29.0, 
            "year": 1930
        }, 
        {
            "amsterdam_code": "10880", 
            "cbsnr": "556", 
            "code": "BOC1", 
            "id": 3830205, 
            "indicator": "Drukkersbedrijven Pos.C", 
            "naam": "MAASSLUIS", 
            "value": 4.0, 
            "year": 1899
        }, 
        {
            "amsterdam_code": "10880", 
            "cbsnr": "556", 
            "code": "BOC1", 
            "id": 3830263, 
            "indicator": "Drukkersbedrijven Pos.C", 
            "naam": "MAASSLUIS", 
            "value": 3.0, 
            "year": 1930
        }, 
        {
            "amsterdam_code": "10769", 
            "cbsnr": "575", 
            "code": "BOC1", 
            "id": 3830818, 
            "indicator": "Drukkersbedrijven Pos.C", 
            "naam": "NOORDWIJK", 
            "value": 1.0, 
            "year": 1899
        }, 
        {
            "amsterdam_code": "11301", 
            "cbsnr": "584", 
            "code": "BOC1", 
            "id": 3831153, 
            "indicator": "Drukkersbedrijven Pos.C", 
            "naam": "OUD-BEIJERLAND", 
            "value": 1.0, 
            "year": 1899
        }, 
        {
            "amsterdam_code": "11301", 
            "cbsnr": "584", 
            "code": "BOC1", 
            "id": 3831200, 
            "indicator": "Drukkersbedrijven Pos.C", 
            "naam": "OUD-BEIJERLAND", 
            "value": 2.0, 
            "year": 1930
        }, 
        {
            "amsterdam_code": "10646", 
            "cbsnr": "597", 
            "code": "BOC1", 
            "id": 3831624, 
            "indicator": "Drukkersbedrijven Pos.C", 
            "naam": "RIDDERKERK", 
            "value": 1.0, 
            "year": 1930
        }, 
        {
            "amsterdam_code": "10345", 
            "cbsnr": "599", 
            "code": "BOC1", 
            "id": 3831772, 
            "indicator": "Drukkersbedrijven Pos.C", 
            "naam": "ROTTERDAM", 
            "value": 98.0, 
            "year": 1899
        }, 
        {
            "amsterdam_code": "10345", 
            "cbsnr": "599", 
            "code": "BOC1", 
            "id": 3831855, 
            "indicator": "Drukkersbedrijven Pos.C", 
            "naam": "ROTTERDAM", 
            "value": 106.0, 
            "year": 1930
        }, 
        {
            "amsterdam_code": "11260", 
            "cbsnr": "606", 
            "code": "BOC1", 
            "id": 3832136, 
            "indicator": "Drukkersbedrijven Pos.C", 
            "naam": "SCHIEDAM", 
            "value": 5.0, 
            "year": 1899
        }, 
        {
            "amsterdam_code": "11260", 
            "cbsnr": "606", 
            "code": "BOC1", 
            "id": 3832210, 
            "indicator": "Drukkersbedrijven Pos.C", 
            "naam": "SCHIEDAM", 
            "value": 11.0, 
            "year": 1930
        }, 
        {
            "amsterdam_code": "11331", 
            "cbsnr": "610", 
            "code": "BOC1", 
            "id": 3832393, 
            "indicator": "Drukkersbedrijven Pos.C", 
            "naam": "SLIEDRECHT", 
            "value": 1.0, 
            "year": 1899
        }, 
        {
            "amsterdam_code": "10811", 
            "cbsnr": "622", 
            "code": "BOC1", 
            "id": 3832778, 
            "indicator": "Drukkersbedrijven Pos.C", 
            "naam": "VLAARDINGEN", 
            "value": 3.0, 
            "year": 1899
        }, 
        {
            "amsterdam_code": "10811", 
            "cbsnr": "622", 
            "code": "BOC1", 
            "id": 3832837, 
            "indicator": "Drukkersbedrijven Pos.C", 
            "naam": "VLAARDINGEN", 
            "value": 2.0, 
            "year": 1930
        }, 
        {
            "amsterdam_code": "10974", 
            "cbsnr": "632", 
            "code": "BOC1", 
            "id": 3833149, 
            "indicator": "Drukkersbedrijven Pos.C", 
            "naam": "WOERDEN", 
            "value": 2.0, 
            "year": 1899
        }, 
        {
            "amsterdam_code": "10974", 
            "cbsnr": "632", 
            "code": "BOC1", 
            "id": 3833204, 
            "indicator": "Drukkersbedrijven Pos.C", 
            "naam": "WOERDEN", 
            "value": 1.0, 
            "year": 1930
        }, 
        {
            "amsterdam_code": "10974", 
            "cbsnr": "632", 
            "code": "BOC1", 
            "id": 3833272, 
            "indicator": "Drukkersbedrijven Pos.C", 
            "naam": "WOERDEN", 
            "value": 2.0, 
            "year": 1899
        }, 
        {
            "amsterdam_code": "10974", 
            "cbsnr": "632", 
            "code": "BOC1", 
            "id": 3833327, 
            "indicator": "Drukkersbedrijven Pos.C", 
            "naam": "WOERDEN", 
            "value": 1.0, 
            "year": 1930
        }, 
        {
            "amsterdam_code": "10468", 
            "cbsnr": "642", 
            "code": "BOC1", 
            "id": 3833684, 
            "indicator": "Drukkersbedrijven Pos.C", 
            "naam": "ZWIJNDRECHT", 
            "value": 1.0, 
            "year": 1899
        }, 
        {
            "amsterdam_code": "10674", 
            "cbsnr": "664", 
            "code": "BOC1", 
            "id": 3834201, 
            "indicator": "Drukkersbedrijven Pos.C", 
            "naam": "GOES", 
            "value": 4.0, 
            "year": 1899
        }, 
        {
            "amsterdam_code": "10674", 
            "cbsnr": "664", 
            "code": "BOC1", 
            "id": 3834257, 
            "indicator": "Drukkersbedrijven Pos.C", 
            "naam": "GOES", 
            "value": 4.0, 
            "year": 1930
        }, 
        {
            "amsterdam_code": "10122", 
            "cbsnr": "687", 
            "code": "BOC1", 
            "id": 3834935, 
            "indicator": "Drukkersbedrijven Pos.C", 
            "naam": "MIDDELBURG", 
            "value": 4.0, 
            "year": 1899
        }, 
        {
            "amsterdam_code": "10122", 
            "cbsnr": "687", 
            "code": "BOC1", 
            "id": 3835003, 
            "indicator": "Drukkersbedrijven Pos.C", 
            "naam": "MIDDELBURG", 
            "value": 7.0, 
            "year": 1930
        }, 
        {
            "amsterdam_code": "10704", 
            "cbsnr": "715", 
            "code": "BOC1", 
            "id": 3835620, 
            "indicator": "Drukkersbedrijven Pos.C", 
            "naam": "TERNEUZEN", 
            "value": 1.0, 
            "year": 1899
        }, 
        {
            "amsterdam_code": "10704", 
            "cbsnr": "715", 
            "code": "BOC1", 
            "id": 3835666, 
            "indicator": "Drukkersbedrijven Pos.C", 
            "naam": "TERNEUZEN", 
            "value": 2.0, 
            "year": 1930
        }, 
        {
            "amsterdam_code": "10270", 
            "cbsnr": "718", 
            "code": "BOC1", 
            "id": 3835821, 
            "indicator": "Drukkersbedrijven Pos.C", 
            "naam": "VLISSINGEN", 
            "value": 1.0, 
            "year": 1899
        }, 
        {
            "amsterdam_code": "10270", 
            "cbsnr": "718", 
            "code": "BOC1", 
            "id": 3835879, 
            "indicator": "Drukkersbedrijven Pos.C", 
            "naam": "VLISSINGEN", 
            "value": 5.0, 
            "year": 1930
        }, 
        {
            "amsterdam_code": "10843", 
            "cbsnr": "732", 
            "code": "BOC1", 
            "id": 3836318, 
            "indicator": "Drukkersbedrijven Pos.C", 
            "naam": "ZIERIKZEE", 
            "value": 2.0, 
            "year": 1930
        }, 
        {
            "amsterdam_code": "11037", 
            "cbsnr": "748", 
            "code": "BOC1", 
            "id": 3836730, 
            "indicator": "Drukkersbedrijven Pos.C", 
            "naam": "BERGEN OP ZOOM", 
            "value": 5.0, 
            "year": 1899
        }, 
        {
            "amsterdam_code": "11037", 
            "cbsnr": "748", 
            "code": "BOC1", 
            "id": 3836796, 
            "indicator": "Drukkersbedrijven Pos.C", 
            "naam": "BERGEN OP ZOOM", 
            "value": 5.0, 
            "year": 1930
        }, 
        {
            "amsterdam_code": "10083", 
            "cbsnr": "757", 
            "code": "BOC1", 
            "id": 3837108, 
            "indicator": "Drukkersbedrijven Pos.C", 
            "naam": "BOXTEL", 
            "value": 1.0, 
            "year": 1899
        }, 
        {
            "amsterdam_code": "10083", 
            "cbsnr": "757", 
            "code": "BOC1", 
            "id": 3837160, 
            "indicator": "Drukkersbedrijven Pos.C", 
            "naam": "BOXTEL", 
            "value": 4.0, 
            "year": 1930
        }, 
        {
            "amsterdam_code": "10154", 
            "cbsnr": "758", 
            "code": "BOC1", 
            "id": 3837263, 
            "indicator": "Drukkersbedrijven Pos.C", 
            "naam": "BREDA", 
            "value": 6.0, 
            "year": 1899
        }, 
        {
            "amsterdam_code": "10154", 
            "cbsnr": "758", 
            "code": "BOC1", 
            "id": 3837333, 
            "indicator": "Drukkersbedrijven Pos.C", 
            "naam": "BREDA", 
            "value": 5.0, 
            "year": 1930
        }, 
        {
            "amsterdam_code": "11412", 
            "cbsnr": "766", 
            "code": "BOC1", 
            "id": 3837716, 
            "indicator": "Drukkersbedrijven Pos.C", 
            "naam": "DONGEN", 
            "value": 1.0, 
            "year": 1930
        }, 
        {
            "amsterdam_code": "11298", 
            "cbsnr": "772", 
            "code": "BOC1", 
            "id": 3837915, 
            "indicator": "Drukkersbedrijven Pos.C", 
            "naam": "EINDHOVEN", 
            "value": 26.0, 
            "year": 1930
        }, 
        {
            "amsterdam_code": "10932", 
            "cbsnr": "794", 
            "code": "BOC1", 
            "id": 3838646, 
            "indicator": "Drukkersbedrijven Pos.C", 
            "naam": "HELMOND", 
            "value": 4.0, 
            "year": 1899
        }, 
        {
            "amsterdam_code": "10932", 
            "cbsnr": "794", 
            "code": "BOC1", 
            "id": 3838714, 
            "indicator": "Drukkersbedrijven Pos.C", 
            "naam": "HELMOND", 
            "value": 7.0, 
            "year": 1930
        }, 
        {
            "amsterdam_code": "10054", 
            "cbsnr": "796", 
            "code": "BOC1", 
            "id": 3838856, 
            "indicator": "Drukkersbedrijven Pos.C", 
            "naam": "'S HERTOGENBOSCH", 
            "value": 21.0, 
            "year": 1899
        }, 
        {
            "amsterdam_code": "10054", 
            "cbsnr": "796", 
            "code": "BOC1", 
            "id": 3838927, 
            "indicator": "Drukkersbedrijven Pos.C", 
            "naam": "'S HERTOGENBOSCH", 
            "value": 18.0, 
            "year": 1930
        }, 
        {
            "amsterdam_code": "11280", 
            "cbsnr": "826", 
            "code": "BOC1", 
            "id": 3839939, 
            "indicator": "Drukkersbedrijven Pos.C", 
            "naam": "OOSTERHOUT", 
            "value": 1.0, 
            "year": 1930
        }, 
        {
            "amsterdam_code": "10834", 
            "cbsnr": "828", 
            "code": "BOC1", 
            "id": 3840110, 
            "indicator": "Drukkersbedrijven Pos.C", 
            "naam": "OSS", 
            "value": 3.0, 
            "year": 1930
        }, 
        {
            "amsterdam_code": "10407", 
            "cbsnr": "838", 
            "code": "BOC1", 
            "id": 3840574, 
            "indicator": "Drukkersbedrijven Pos.C", 
            "naam": "ROOSENDAAL EN NISPEN", 
            "value": 7.0, 
            "year": 1930
        }, 
        {
            "amsterdam_code": "10792", 
            "cbsnr": "855", 
            "code": "BOC1", 
            "id": 3841281, 
            "indicator": "Drukkersbedrijven Pos.C", 
            "naam": "TILBURG", 
            "value": 6.0, 
            "year": 1899
        }, 
        {
            "amsterdam_code": "10792", 
            "cbsnr": "855", 
            "code": "BOC1", 
            "id": 3841353, 
            "indicator": "Drukkersbedrijven Pos.C", 
            "naam": "TILBURG", 
            "value": 14.0, 
            "year": 1930
        }, 
        {
            "amsterdam_code": "11224", 
            "cbsnr": "865", 
            "code": "BOC1", 
            "id": 3841874, 
            "indicator": "Drukkersbedrijven Pos.C", 
            "naam": "VUGHT", 
            "value": 1.0, 
            "year": 1899
        }, 
        {
            "amsterdam_code": "11224", 
            "cbsnr": "865", 
            "code": "BOC1", 
            "id": 3841926, 
            "indicator": "Drukkersbedrijven Pos.C", 
            "naam": "VUGHT", 
            "value": 5.0, 
            "year": 1930
        }, 
        {
            "amsterdam_code": "10902", 
            "cbsnr": "917", 
            "code": "BOC1", 
            "id": 3843457, 
            "indicator": "Drukkersbedrijven Pos.C", 
            "naam": "HEERLEN", 
            "value": 13.0, 
            "year": 1899
        }, 
        {
            "amsterdam_code": "10902", 
            "cbsnr": "917", 
            "code": "BOC1", 
            "id": 3843508, 
            "indicator": "Drukkersbedrijven Pos.C", 
            "naam": "HEERLEN", 
            "value": 5.0, 
            "year": 1930
        }, 
        {
            "amsterdam_code": "10313", 
            "cbsnr": "928", 
            "code": "BOC1", 
            "id": 3843873, 
            "indicator": "Drukkersbedrijven Pos.C", 
            "naam": "KERKRADE", 
            "value": 1.0, 
            "year": 1899
        }, 
        {
            "amsterdam_code": "10313", 
            "cbsnr": "928", 
            "code": "BOC1", 
            "id": 3843926, 
            "indicator": "Drukkersbedrijven Pos.C", 
            "naam": "KERKRADE", 
            "value": 2.0, 
            "year": 1930
        }, 
        {
            "amsterdam_code": "10182", 
            "cbsnr": "935", 
            "code": "BOC1", 
            "id": 3844305, 
            "indicator": "Drukkersbedrijven Pos.C", 
            "naam": "MAASTRICHT", 
            "value": 4.0, 
            "year": 1899
        }, 
        {
            "amsterdam_code": "10182", 
            "cbsnr": "935", 
            "code": "BOC1", 
            "id": 3844374, 
            "indicator": "Drukkersbedrijven Pos.C", 
            "naam": "MAASTRICHT", 
            "value": 8.0, 
            "year": 1930
        }, 
        {
            "amsterdam_code": "10494", 
            "cbsnr": "938", 
            "code": "BOC1", 
            "id": 3844553, 
            "indicator": "Drukkersbedrijven Pos.C", 
            "naam": "MEERSSEN", 
            "value": 1.0, 
            "year": 1930
        }, 
        {
            "amsterdam_code": "11313", 
            "cbsnr": "957", 
            "code": "BOC1", 
            "id": 3845191, 
            "indicator": "Drukkersbedrijven Pos.C", 
            "naam": "ROERMOND", 
            "value": 5.0, 
            "year": 1899
        }, 
        {
            "amsterdam_code": "11313", 
            "cbsnr": "957", 
            "code": "BOC1", 
            "id": 3845256, 
            "indicator": "Drukkersbedrijven Pos.C", 
            "naam": "ROERMOND", 
            "value": 6.0, 
            "year": 1930
        }, 
        {
            "amsterdam_code": "10477", 
            "cbsnr": "983", 
            "code": "BOC1", 
            "id": 3846250, 
            "indicator": "Drukkersbedrijven Pos.C", 
            "naam": "VENLO", 
            "value": 3.0, 
            "year": 1899
        }, 
        {
            "amsterdam_code": "10477", 
            "cbsnr": "983", 
            "code": "BOC1", 
            "id": 3846317, 
            "indicator": "Drukkersbedrijven Pos.C", 
            "naam": "VENLO", 
            "value": 6.0, 
            "year": 1930
        }, 
        {
            "amsterdam_code": "11222", 
            "cbsnr": "984", 
            "code": "BOC1", 
            "id": 3846421, 
            "indicator": "Drukkersbedrijven Pos.C", 
            "naam": "VENRAY", 
            "value": 1.0, 
            "year": 1899
        }, 
        {
            "amsterdam_code": "11222", 
            "cbsnr": "984", 
            "code": "BOC1", 
            "id": 3846460, 
            "indicator": "Drukkersbedrijven Pos.C", 
            "naam": "VENRAY", 
            "value": 1.0, 
            "year": 1930
        }, 
        {
            "amsterdam_code": "11081", 
            "cbsnr": "988", 
            "code": "BOC1", 
            "id": 3846626, 
            "indicator": "Drukkersbedrijven Pos.C", 
            "naam": "WEERT", 
            "value": 1.0, 
            "year": 1899
        }, 
        {
            "amsterdam_code": "11081", 
            "cbsnr": "988", 
            "code": "BOC1", 
            "id": 3846681, 
            "indicator": "Drukkersbedrijven Pos.C", 
            "naam": "WEERT", 
            "value": 8.0, 
            "year": 1930
        }, 
        {
            "amsterdam_code": "11065", 
            "cbsnr": "1009", 
            "code": "BOC1", 
            "id": 3846951, 
            "indicator": "Drukkersbedrijven Pos.C", 
            "naam": "AMBT-ALMELO", 
            "value": 1.0, 
            "year": 1899
        }, 
        {
            "amsterdam_code": "10167", 
            "cbsnr": "1070", 
            "code": "BOC1", 
            "id": 3847766, 
            "indicator": "Drukkersbedrijven Pos.C", 
            "naam": "HARDINXVELD", 
            "value": 1.0, 
            "year": 1899
        }, 
        {
            "amsterdam_code": "10167", 
            "cbsnr": "1070", 
            "code": "BOC1", 
            "id": 3847809, 
            "indicator": "Drukkersbedrijven Pos.C", 
            "naam": "HARDINXVELD", 
            "value": 1.0, 
            "year": 1930
        }, 
        {
            "amsterdam_code": "10227", 
            "cbsnr": "1081", 
            "code": "BOC1", 
            "id": 3847975, 
            "indicator": "Drukkersbedrijven Pos.C", 
            "naam": "HILLEGERSBERG", 
            "value": 1.0, 
            "year": 1899
        }, 
        {
            "amsterdam_code": "10227", 
            "cbsnr": "1081", 
            "code": "BOC1", 
            "id": 3848031, 
            "indicator": "Drukkersbedrijven Pos.C", 
            "naam": "HILLEGERSBERG", 
            "value": 5.0, 
            "year": 1930
        }, 
        {
            "amsterdam_code": "11045", 
            "cbsnr": "1106", 
            "code": "BOC1", 
            "id": 3848579, 
            "indicator": "Drukkersbedrijven Pos.C", 
            "naam": "LONNEKER", 
            "value": 3.0, 
            "year": 1930
        }, 
        {
            "amsterdam_code": "10997", 
            "cbsnr": "1107", 
            "code": "BOC1", 
            "id": 3848619, 
            "indicator": "Drukkersbedrijven Pos.C", 
            "naam": "LOOSDUINEN", 
            "value": 1.0, 
            "year": 1899
        }, 
        {
            "amsterdam_code": "10762", 
            "cbsnr": "1156", 
            "code": "BOC1", 
            "id": 3849384, 
            "indicator": "Drukkersbedrijven Pos.C", 
            "naam": "PRINCENHAGE", 
            "value": 1.0, 
            "year": 1899
        }, 
        {
            "amsterdam_code": "10080", 
            "cbsnr": "1168", 
            "code": "BOC1", 
            "id": 3849644, 
            "indicator": "Drukkersbedrijven Pos.C", 
            "naam": "SAPPEMEER", 
            "value": 4.0, 
            "year": 1899
        }, 
        {
            "amsterdam_code": "10080", 
            "cbsnr": "1168", 
            "code": "BOC1", 
            "id": 3849693, 
            "indicator": "Drukkersbedrijven Pos.C", 
            "naam": "SAPPEMEER", 
            "value": 1.0, 
            "year": 1930
        }, 
        {
            "amsterdam_code": "10680", 
            "cbsnr": "1174", 
            "code": "BOC1", 
            "id": 3849817, 
            "indicator": "Drukkersbedrijven Pos.C", 
            "naam": "SCHOTERLAND", 
            "value": 2.0, 
            "year": 1899
        }, 
        {
            "amsterdam_code": "10680", 
            "cbsnr": "1174", 
            "code": "BOC1", 
            "id": 3849875, 
            "indicator": "Drukkersbedrijven Pos.C", 
            "naam": "SCHOTERLAND", 
            "value": 1.0, 
            "year": 1930
        }, 
        {
            "amsterdam_code": "10148", 
            "cbsnr": "1181", 
            "code": "BOC1", 
            "id": 3850016, 
            "indicator": "Drukkersbedrijven Pos.C", 
            "naam": "SLOTEN NH", 
            "value": 2.0, 
            "year": 1899
        }, 
        {
            "amsterdam_code": "11053", 
            "cbsnr": "1189", 
            "code": "BOC1", 
            "id": 3850185, 
            "indicator": "Drukkersbedrijven Pos.C", 
            "naam": "STAD-ALMELO", 
            "value": 6.0, 
            "year": 1899
        }, 
        {
            "amsterdam_code": "10825", 
            "cbsnr": "1225", 
            "code": "BOC1", 
            "id": 3850780, 
            "indicator": "Drukkersbedrijven Pos.C", 
            "naam": "WILDERVANK", 
            "value": 1.0, 
            "year": 1899
        }, 
        {
            "amsterdam_code": "10894", 
            "cbsnr": "1228", 
            "code": "BOC1", 
            "id": 3850916, 
            "indicator": "Drukkersbedrijven Pos.C", 
            "naam": "WOENSEL", 
            "value": 1.0, 
            "year": 1899
        }, 
        {
            "amsterdam_code": "10799", 
            "cbsnr": "1249", 
            "code": "BOC1", 
            "id": 3851408, 
            "indicator": "Drukkersbedrijven Pos.C", 
            "naam": "NIEUWER-AMSTEL", 
            "value": 6.0, 
            "year": 1930
        }, 
        {
            "amsterdam_code": "10610", 
            "cbsnr": "1250", 
            "code": "BOC1", 
            "id": 3851560, 
            "indicator": "Drukkersbedrijven Pos.C", 
            "naam": "ONSTWEDDE", 
            "value": 2.0, 
            "year": 1930
        }
    ]
}