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            "id": 3746668, 
            "indicator": "Drukkersbedrijven Pos.B", 
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            "indicator": "Drukkersbedrijven Pos.B", 
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            "indicator": "Drukkersbedrijven Pos.B", 
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            "indicator": "Drukkersbedrijven Pos.B", 
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            "indicator": "Drukkersbedrijven Pos.B", 
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            "indicator": "Drukkersbedrijven Pos.B", 
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            "indicator": "Drukkersbedrijven Pos.B", 
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            "indicator": "Drukkersbedrijven Pos.B", 
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            "indicator": "Drukkersbedrijven Pos.B", 
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            "indicator": "Drukkersbedrijven Pos.B", 
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            "indicator": "Drukkersbedrijven Pos.B", 
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            "indicator": "Drukkersbedrijven Pos.B", 
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            "indicator": "Drukkersbedrijven Pos.B", 
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        }, 
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            "code": "BOB1", 
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            "indicator": "Drukkersbedrijven Pos.B", 
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            "year": 1930
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            "code": "BOB1", 
            "id": 3820471, 
            "indicator": "Drukkersbedrijven Pos.B", 
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            "value": 1.0, 
            "year": 1899
        }, 
        {
            "amsterdam_code": "10722", 
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            "code": "BOB1", 
            "id": 3820549, 
            "indicator": "Drukkersbedrijven Pos.B", 
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            "value": 10.0, 
            "year": 1930
        }, 
        {
            "amsterdam_code": "10324", 
            "cbsnr": "355", 
            "code": "BOB1", 
            "id": 3821240, 
            "indicator": "Drukkersbedrijven Pos.B", 
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            "year": 1930
        }, 
        {
            "amsterdam_code": "10527", 
            "cbsnr": "361", 
            "code": "BOB1", 
            "id": 3821506, 
            "indicator": "Drukkersbedrijven Pos.B", 
            "naam": "ALKMAAR", 
            "value": 2.0, 
            "year": 1930
        }, 
        {
            "amsterdam_code": "11150", 
            "cbsnr": "363", 
            "code": "BOB1", 
            "id": 3821634, 
            "indicator": "Drukkersbedrijven Pos.B", 
            "naam": "AMSTERDAM", 
            "value": 19.0, 
            "year": 1899
        }, 
        {
            "amsterdam_code": "11150", 
            "cbsnr": "363", 
            "code": "BOB1", 
            "id": 3821720, 
            "indicator": "Drukkersbedrijven Pos.B", 
            "naam": "AMSTERDAM", 
            "value": 55.0, 
            "year": 1930
        }, 
        {
            "amsterdam_code": "10850", 
            "cbsnr": "377", 
            "code": "BOB1", 
            "id": 3822268, 
            "indicator": "Drukkersbedrijven Pos.B", 
            "naam": "BLOEMENDAAL", 
            "value": 9.0, 
            "year": 1930
        }, 
        {
            "amsterdam_code": "10281", 
            "cbsnr": "381", 
            "code": "BOB1", 
            "id": 3822428, 
            "indicator": "Drukkersbedrijven Pos.B", 
            "naam": "BUSSUM", 
            "value": 1.0, 
            "year": 1899
        }, 
        {
            "amsterdam_code": "10281", 
            "cbsnr": "381", 
            "code": "BOB1", 
            "id": 3822491, 
            "indicator": "Drukkersbedrijven Pos.B", 
            "naam": "BUSSUM", 
            "value": 5.0, 
            "year": 1930
        }, 
        {
            "amsterdam_code": "10884", 
            "cbsnr": "385", 
            "code": "BOB1", 
            "id": 3822686, 
            "indicator": "Drukkersbedrijven Pos.B", 
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            "value": 1.0, 
            "year": 1899
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            "amsterdam_code": "10729", 
            "cbsnr": "388", 
            "code": "BOB1", 
            "id": 3822937, 
            "indicator": "Drukkersbedrijven Pos.B", 
            "naam": "ENKHUIZEN", 
            "value": 2.0, 
            "year": 1930
        }, 
        {
            "amsterdam_code": "10357", 
            "cbsnr": "392", 
            "code": "BOB1", 
            "id": 3823213, 
            "indicator": "Drukkersbedrijven Pos.B", 
            "naam": "HAARLEM", 
            "value": 15.0, 
            "year": 1930
        }, 
        {
            "amsterdam_code": "10285", 
            "cbsnr": "400", 
            "code": "BOB1", 
            "id": 3823635, 
            "indicator": "Drukkersbedrijven Pos.B", 
            "naam": "DEN HELDER", 
            "value": 2.0, 
            "year": 1899
        }, 
        {
            "amsterdam_code": "10285", 
            "cbsnr": "400", 
            "code": "BOB1", 
            "id": 3823696, 
            "indicator": "Drukkersbedrijven Pos.B", 
            "naam": "DEN HELDER", 
            "value": 1.0, 
            "year": 1930
        }, 
        {
            "amsterdam_code": "11285", 
            "cbsnr": "402", 
            "code": "BOB1", 
            "id": 3823903, 
            "indicator": "Drukkersbedrijven Pos.B", 
            "naam": "HILVERSUM", 
            "value": 8.0, 
            "year": 1930
        }, 
        {
            "amsterdam_code": "11392", 
            "cbsnr": "405", 
            "code": "BOB1", 
            "id": 3824137, 
            "indicator": "Drukkersbedrijven Pos.B", 
            "naam": "HOORN", 
            "value": 3.0, 
            "year": 1930
        }, 
        {
            "amsterdam_code": "10237", 
            "cbsnr": "448", 
            "code": "BOB1", 
            "id": 3825472, 
            "indicator": "Drukkersbedrijven Pos.B", 
            "naam": "TEXEL", 
            "value": 2.0, 
            "year": 1930
        }, 
        {
            "amsterdam_code": "10361", 
            "cbsnr": "468", 
            "code": "BOB1", 
            "id": 3826326, 
            "indicator": "Drukkersbedrijven Pos.B", 
            "naam": "WORMERVEER", 
            "value": 2.0, 
            "year": 1930
        }, 
        {
            "amsterdam_code": "11044", 
            "cbsnr": "471", 
            "code": "BOB1", 
            "id": 3826553, 
            "indicator": "Drukkersbedrijven Pos.B", 
            "naam": "ZAANDAM", 
            "value": 2.0, 
            "year": 1930
        }, 
        {
            "amsterdam_code": "10928", 
            "cbsnr": "503", 
            "code": "BOB1", 
            "id": 3827464, 
            "indicator": "Drukkersbedrijven Pos.B", 
            "naam": "DELFT", 
            "value": 1.0, 
            "year": 1899
        }, 
        {
            "amsterdam_code": "10928", 
            "cbsnr": "503", 
            "code": "BOB1", 
            "id": 3827537, 
            "indicator": "Drukkersbedrijven Pos.B", 
            "naam": "DELFT", 
            "value": 7.0, 
            "year": 1930
        }, 
        {
            "amsterdam_code": "11157", 
            "cbsnr": "505", 
            "code": "BOB1", 
            "id": 3827686, 
            "indicator": "Drukkersbedrijven Pos.B", 
            "naam": "DORDRECHT", 
            "value": 2.0, 
            "year": 1899
        }, 
        {
            "amsterdam_code": "11157", 
            "cbsnr": "505", 
            "code": "BOB1", 
            "id": 3827760, 
            "indicator": "Drukkersbedrijven Pos.B", 
            "naam": "DORDRECHT", 
            "value": 6.0, 
            "year": 1930
        }, 
        {
            "amsterdam_code": "10942", 
            "cbsnr": "512", 
            "code": "BOB1", 
            "id": 3828126, 
            "indicator": "Drukkersbedrijven Pos.B", 
            "naam": "GORINCHEM", 
            "value": 1.0, 
            "year": 1930
        }, 
        {
            "amsterdam_code": "10302", 
            "cbsnr": "513", 
            "code": "BOB1", 
            "id": 3828308, 
            "indicator": "Drukkersbedrijven Pos.B", 
            "naam": "GOUDA", 
            "value": 3.0, 
            "year": 1930
        }, 
        {
            "amsterdam_code": "11434", 
            "cbsnr": "518", 
            "code": "BOB1", 
            "id": 3828544, 
            "indicator": "Drukkersbedrijven Pos.B", 
            "naam": "'S GRAVENHAGE", 
            "value": 12.0, 
            "year": 1899
        }, 
        {
            "amsterdam_code": "11434", 
            "cbsnr": "518", 
            "code": "BOB1", 
            "id": 3828628, 
            "indicator": "Drukkersbedrijven Pos.B", 
            "naam": "'S GRAVENHAGE", 
            "value": 42.0, 
            "year": 1930
        }, 
        {
            "amsterdam_code": "10685", 
            "cbsnr": "545", 
            "code": "BOB1", 
            "id": 3829654, 
            "indicator": "Drukkersbedrijven Pos.B", 
            "naam": "LEERDAM", 
            "value": 1.0, 
            "year": 1930
        }, 
        {
            "amsterdam_code": "10702", 
            "cbsnr": "546", 
            "code": "BOB1", 
            "id": 3829760, 
            "indicator": "Drukkersbedrijven Pos.B", 
            "naam": "LEIDEN", 
            "value": 3.0, 
            "year": 1899
        }, 
        {
            "amsterdam_code": "10702", 
            "cbsnr": "546", 
            "code": "BOB1", 
            "id": 3829835, 
            "indicator": "Drukkersbedrijven Pos.B", 
            "naam": "LEIDEN", 
            "value": 8.0, 
            "year": 1930
        }, 
        {
            "amsterdam_code": "10880", 
            "cbsnr": "556", 
            "code": "BOB1", 
            "id": 3830262, 
            "indicator": "Drukkersbedrijven Pos.B", 
            "naam": "MAASSLUIS", 
            "value": 1.0, 
            "year": 1930
        }, 
        {
            "amsterdam_code": "10769", 
            "cbsnr": "575", 
            "code": "BOB1", 
            "id": 3830868, 
            "indicator": "Drukkersbedrijven Pos.B", 
            "naam": "NOORDWIJK", 
            "value": 2.0, 
            "year": 1930
        }, 
        {
            "amsterdam_code": "10646", 
            "cbsnr": "597", 
            "code": "BOB1", 
            "id": 3831623, 
            "indicator": "Drukkersbedrijven Pos.B", 
            "naam": "RIDDERKERK", 
            "value": 1.0, 
            "year": 1930
        }, 
        {
            "amsterdam_code": "10345", 
            "cbsnr": "599", 
            "code": "BOB1", 
            "id": 3831771, 
            "indicator": "Drukkersbedrijven Pos.B", 
            "naam": "ROTTERDAM", 
            "value": 6.0, 
            "year": 1899
        }, 
        {
            "amsterdam_code": "10345", 
            "cbsnr": "599", 
            "code": "BOB1", 
            "id": 3831854, 
            "indicator": "Drukkersbedrijven Pos.B", 
            "naam": "ROTTERDAM", 
            "value": 33.0, 
            "year": 1930
        }, 
        {
            "amsterdam_code": "11260", 
            "cbsnr": "606", 
            "code": "BOB1", 
            "id": 3832135, 
            "indicator": "Drukkersbedrijven Pos.B", 
            "naam": "SCHIEDAM", 
            "value": 2.0, 
            "year": 1899
        }, 
        {
            "amsterdam_code": "11260", 
            "cbsnr": "606", 
            "code": "BOB1", 
            "id": 3832209, 
            "indicator": "Drukkersbedrijven Pos.B", 
            "naam": "SCHIEDAM", 
            "value": 4.0, 
            "year": 1930
        }, 
        {
            "amsterdam_code": "11331", 
            "cbsnr": "610", 
            "code": "BOB1", 
            "id": 3832442, 
            "indicator": "Drukkersbedrijven Pos.B", 
            "naam": "SLIEDRECHT", 
            "value": 1.0, 
            "year": 1930
        }, 
        {
            "amsterdam_code": "10811", 
            "cbsnr": "622", 
            "code": "BOB1", 
            "id": 3832836, 
            "indicator": "Drukkersbedrijven Pos.B", 
            "naam": "VLAARDINGEN", 
            "value": 4.0, 
            "year": 1930
        }, 
        {
            "amsterdam_code": "10674", 
            "cbsnr": "664", 
            "code": "BOB1", 
            "id": 3834200, 
            "indicator": "Drukkersbedrijven Pos.B", 
            "naam": "GOES", 
            "value": 1.0, 
            "year": 1899
        }, 
        {
            "amsterdam_code": "10674", 
            "cbsnr": "664", 
            "code": "BOB1", 
            "id": 3834256, 
            "indicator": "Drukkersbedrijven Pos.B", 
            "naam": "GOES", 
            "value": 3.0, 
            "year": 1930
        }, 
        {
            "amsterdam_code": "10122", 
            "cbsnr": "687", 
            "code": "BOB1", 
            "id": 3834934, 
            "indicator": "Drukkersbedrijven Pos.B", 
            "naam": "MIDDELBURG", 
            "value": 1.0, 
            "year": 1899
        }, 
        {
            "amsterdam_code": "10122", 
            "cbsnr": "687", 
            "code": "BOB1", 
            "id": 3835002, 
            "indicator": "Drukkersbedrijven Pos.B", 
            "naam": "MIDDELBURG", 
            "value": 1.0, 
            "year": 1930
        }, 
        {
            "amsterdam_code": "10270", 
            "cbsnr": "718", 
            "code": "BOB1", 
            "id": 3835878, 
            "indicator": "Drukkersbedrijven Pos.B", 
            "naam": "VLISSINGEN", 
            "value": 1.0, 
            "year": 1930
        }, 
        {
            "amsterdam_code": "10843", 
            "cbsnr": "732", 
            "code": "BOB1", 
            "id": 3836264, 
            "indicator": "Drukkersbedrijven Pos.B", 
            "naam": "ZIERIKZEE", 
            "value": 2.0, 
            "year": 1899
        }, 
        {
            "amsterdam_code": "10843", 
            "cbsnr": "732", 
            "code": "BOB1", 
            "id": 3836317, 
            "indicator": "Drukkersbedrijven Pos.B", 
            "naam": "ZIERIKZEE", 
            "value": 1.0, 
            "year": 1930
        }, 
        {
            "amsterdam_code": "11037", 
            "cbsnr": "748", 
            "code": "BOB1", 
            "id": 3836795, 
            "indicator": "Drukkersbedrijven Pos.B", 
            "naam": "BERGEN OP ZOOM", 
            "value": 2.0, 
            "year": 1930
        }, 
        {
            "amsterdam_code": "11412", 
            "cbsnr": "766", 
            "code": "BOB1", 
            "id": 3837715, 
            "indicator": "Drukkersbedrijven Pos.B", 
            "naam": "DONGEN", 
            "value": 2.0, 
            "year": 1930
        }, 
        {
            "amsterdam_code": "11298", 
            "cbsnr": "772", 
            "code": "BOB1", 
            "id": 3837914, 
            "indicator": "Drukkersbedrijven Pos.B", 
            "naam": "EINDHOVEN", 
            "value": 4.0, 
            "year": 1930
        }, 
        {
            "amsterdam_code": "10932", 
            "cbsnr": "794", 
            "code": "BOB1", 
            "id": 3838713, 
            "indicator": "Drukkersbedrijven Pos.B", 
            "naam": "HELMOND", 
            "value": 1.0, 
            "year": 1930
        }, 
        {
            "amsterdam_code": "10054", 
            "cbsnr": "796", 
            "code": "BOB1", 
            "id": 3838926, 
            "indicator": "Drukkersbedrijven Pos.B", 
            "naam": "'S HERTOGENBOSCH", 
            "value": 6.0, 
            "year": 1930
        }, 
        {
            "amsterdam_code": "10834", 
            "cbsnr": "828", 
            "code": "BOB1", 
            "id": 3840109, 
            "indicator": "Drukkersbedrijven Pos.B", 
            "naam": "OSS", 
            "value": 3.0, 
            "year": 1930
        }, 
        {
            "amsterdam_code": "10792", 
            "cbsnr": "855", 
            "code": "BOB1", 
            "id": 3841280, 
            "indicator": "Drukkersbedrijven Pos.B", 
            "naam": "TILBURG", 
            "value": 1.0, 
            "year": 1899
        }, 
        {
            "amsterdam_code": "10792", 
            "cbsnr": "855", 
            "code": "BOB1", 
            "id": 3841352, 
            "indicator": "Drukkersbedrijven Pos.B", 
            "naam": "TILBURG", 
            "value": 3.0, 
            "year": 1930
        }, 
        {
            "amsterdam_code": "10902", 
            "cbsnr": "917", 
            "code": "BOB1", 
            "id": 3843507, 
            "indicator": "Drukkersbedrijven Pos.B", 
            "naam": "HEERLEN", 
            "value": 1.0, 
            "year": 1930
        }, 
        {
            "amsterdam_code": "10182", 
            "cbsnr": "935", 
            "code": "BOB1", 
            "id": 3844373, 
            "indicator": "Drukkersbedrijven Pos.B", 
            "naam": "MAASTRICHT", 
            "value": 3.0, 
            "year": 1930
        }, 
        {
            "amsterdam_code": "11313", 
            "cbsnr": "957", 
            "code": "BOB1", 
            "id": 3845190, 
            "indicator": "Drukkersbedrijven Pos.B", 
            "naam": "ROERMOND", 
            "value": 2.0, 
            "year": 1899
        }, 
        {
            "amsterdam_code": "11313", 
            "cbsnr": "957", 
            "code": "BOB1", 
            "id": 3845255, 
            "indicator": "Drukkersbedrijven Pos.B", 
            "naam": "ROERMOND", 
            "value": 3.0, 
            "year": 1930
        }, 
        {
            "amsterdam_code": "10477", 
            "cbsnr": "983", 
            "code": "BOB1", 
            "id": 3846316, 
            "indicator": "Drukkersbedrijven Pos.B", 
            "naam": "VENLO", 
            "value": 2.0, 
            "year": 1930
        }, 
        {
            "amsterdam_code": "11081", 
            "cbsnr": "988", 
            "code": "BOB1", 
            "id": 3846680, 
            "indicator": "Drukkersbedrijven Pos.B", 
            "naam": "WEERT", 
            "value": 2.0, 
            "year": 1930
        }, 
        {
            "amsterdam_code": "10406", 
            "cbsnr": "1064", 
            "code": "BOB1", 
            "id": 3847647, 
            "indicator": "Drukkersbedrijven Pos.B", 
            "naam": "GINNEKEN EN BAVEL", 
            "value": 1.0, 
            "year": 1930
        }, 
        {
            "amsterdam_code": "10227", 
            "cbsnr": "1081", 
            "code": "BOB1", 
            "id": 3848030, 
            "indicator": "Drukkersbedrijven Pos.B", 
            "naam": "HILLEGERSBERG", 
            "value": 6.0, 
            "year": 1930
        }, 
        {
            "amsterdam_code": "10799", 
            "cbsnr": "1249", 
            "code": "BOB1", 
            "id": 3851407, 
            "indicator": "Drukkersbedrijven Pos.B", 
            "naam": "NIEUWER-AMSTEL", 
            "value": 1.0, 
            "year": 1930
        }
    ]
}