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        "cbsnr": "73", 
        "code": "G1ZK", 
        "color": "#1F78B4", 
        "id": 3854189, 
        "indicator": "Grafische bedrijven", 
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        "r": 1.0, 
        "value": 2.0, 
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        "cbsnr": "281", 
        "code": "G1ZK", 
        "color": "#B2DF8A", 
        "id": 3862496, 
        "indicator": "Grafische bedrijven", 
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        "r": 2.0, 
        "value": 4.0, 
        "year": 1930
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        "cbsnr": "71", 
        "code": "G1ZK", 
        "color": "#B2DF8A", 
        "id": 3853973, 
        "indicator": "Grafische bedrijven", 
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        "value": 3.0, 
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        "cbsnr": "796", 
        "code": "G1ZK", 
        "color": "#FF7F00", 
        "id": 3878834, 
        "indicator": "Grafische bedrijven", 
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        "r": 30.75, 
        "value": 37.0, 
        "year": 1930
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        "cbsnr": "1168", 
        "code": "G1ZK", 
        "color": "#A6CEE3", 
        "id": 3885698, 
        "indicator": "Grafische bedrijven", 
        "naam": "SAPPEMEER", 
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        "cbsnr": "757", 
        "code": "G1ZK", 
        "color": "#A6CEE3", 
        "id": 3877340, 
        "indicator": "Grafische bedrijven", 
        "naam": "BOXTEL", 
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        "cbsnr": "193", 
        "code": "G1ZK", 
        "color": "#FDBF6F", 
        "id": 3859296, 
        "indicator": "Grafische bedrijven", 
        "naam": "ZWOLLE", 
        "r": 15.0, 
        "value": 24.0, 
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        "cbsnr": "687", 
        "code": "G1ZK", 
        "color": "#FDBF6F", 
        "id": 3875835, 
        "indicator": "Grafische bedrijven", 
        "naam": "MIDDELBURG", 
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        "cbsnr": "758", 
        "code": "G1ZK", 
        "color": "#FDBF6F", 
        "id": 3877461, 
        "indicator": "Grafische bedrijven", 
        "naam": "BREDA", 
        "r": 15.0, 
        "value": 21.0, 
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        "cbsnr": "935", 
        "code": "G1ZK", 
        "color": "#FF7F00", 
        "id": 3883333, 
        "indicator": "Grafische bedrijven", 
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        "value": 32.0, 
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        "cbsnr": "1081", 
        "code": "G1ZK", 
        "color": "#1F78B4", 
        "id": 3885460, 
        "indicator": "Grafische bedrijven", 
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        "cbsnr": "166", 
        "code": "G1ZK", 
        "color": "#B2DF8A", 
        "id": 3858138, 
        "indicator": "Grafische bedrijven", 
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        "cbsnr": "301", 
        "code": "G1ZK", 
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        "indicator": "Grafische bedrijven", 
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        "cbsnr": "718", 
        "code": "G1ZK", 
        "color": "#FB9A99", 
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        "indicator": "Grafische bedrijven", 
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        "cbsnr": "381", 
        "code": "G1ZK", 
        "color": "#FDBF6F", 
        "id": 3866191, 
        "indicator": "Grafische bedrijven", 
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        "cbsnr": "400", 
        "code": "G1ZK", 
        "color": "#E31A1C", 
        "id": 3867037, 
        "indicator": "Grafische bedrijven", 
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        "cbsnr": "513", 
        "code": "G1ZK", 
        "color": "#FDBF6F", 
        "id": 3870665, 
        "indicator": "Grafische bedrijven", 
        "naam": "GOUDA", 
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        "value": 17.0, 
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        "cbsnr": "928", 
        "code": "G1ZK", 
        "color": "#33A02C", 
        "id": 3883029, 
        "indicator": "Grafische bedrijven", 
        "naam": "KERKRADE", 
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        "value": 6.0, 
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        "cbsnr": "355", 
        "code": "G1ZK", 
        "color": "#FB9A99", 
        "id": 3865029, 
        "indicator": "Grafische bedrijven", 
        "naam": "ZEIST", 
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        "value": 10.0, 
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        "cbsnr": "147", 
        "code": "G1ZK", 
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        "id": 3857142, 
        "indicator": "Grafische bedrijven", 
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        "cbsnr": "216", 
        "code": "G1ZK", 
        "color": "#B2DF8A", 
        "id": 3860247, 
        "indicator": "Grafische bedrijven", 
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        "cbsnr": "599", 
        "code": "G1ZK", 
        "color": "#FF7F00", 
        "id": 3873596, 
        "indicator": "Grafische bedrijven", 
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        "cbsnr": "392", 
        "code": "G1ZK", 
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        "indicator": "Grafische bedrijven", 
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        "cbsnr": "178", 
        "code": "G1ZK", 
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        "indicator": "Grafische bedrijven", 
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        "code": "G1ZK", 
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        "indicator": "Grafische bedrijven", 
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        "cbsnr": "153", 
        "code": "G1ZK", 
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        "indicator": "Grafische bedrijven", 
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        "cbsnr": "838", 
        "code": "G1ZK", 
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        "indicator": "Grafische bedrijven", 
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        "cbsnr": "1083", 
        "code": "G1ZK", 
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        "indicator": "Grafische bedrijven", 
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        "cbsnr": "14", 
        "code": "G1ZK", 
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        "indicator": "Grafische bedrijven", 
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        "indicator": "Grafische bedrijven", 
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        "code": "G1ZK", 
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        "id": 3875273, 
        "indicator": "Grafische bedrijven", 
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        "code": "G1ZK", 
        "color": "#E31A1C", 
        "id": 3885053, 
        "indicator": "Grafische bedrijven", 
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        "code": "G1ZK", 
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        "indicator": "Grafische bedrijven", 
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        "code": "G1ZK", 
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        "indicator": "Grafische bedrijven", 
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        "code": "G1ZK", 
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        "id": 3858870, 
        "indicator": "Grafische bedrijven", 
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        "indicator": "Grafische bedrijven", 
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        "indicator": "Grafische bedrijven", 
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        "indicator": "Grafische bedrijven", 
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        "indicator": "Grafische bedrijven", 
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        "indicator": "Grafische bedrijven", 
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        "indicator": "Grafische bedrijven", 
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        "indicator": "Grafische bedrijven", 
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        "indicator": "Grafische bedrijven", 
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        "indicator": "Grafische bedrijven", 
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        "code": "G1ZK", 
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        "indicator": "Grafische bedrijven", 
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        "cbsnr": "855", 
        "code": "G1ZK", 
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        "id": 3880916, 
        "indicator": "Grafische bedrijven", 
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        "year": 1930
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        "cbsnr": "202", 
        "code": "G1ZK", 
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        "indicator": "Grafische bedrijven", 
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        "year": 1930
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        "cbsnr": "163", 
        "code": "G1ZK", 
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        "id": 3857867, 
        "indicator": "Grafische bedrijven", 
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        "cbsnr": "622", 
        "code": "G1ZK", 
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        "id": 3874461, 
        "indicator": "Grafische bedrijven", 
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        "cbsnr": "1225", 
        "code": "G1ZK", 
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        "indicator": "Grafische bedrijven", 
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        "cbsnr": "828", 
        "code": "G1ZK", 
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        "id": 3879964, 
        "indicator": "Grafische bedrijven", 
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        "code": "G1ZK", 
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        "id": 3856055, 
        "indicator": "Grafische bedrijven", 
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        "cbsnr": "732", 
        "code": "G1ZK", 
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        "id": 3876660, 
        "indicator": "Grafische bedrijven", 
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        "cbsnr": "377", 
        "code": "G1ZK", 
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        "indicator": "Grafische bedrijven", 
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        "cbsnr": "64", 
        "code": "G1ZK", 
        "color": "#B2DF8A", 
        "id": 3853650, 
        "indicator": "Grafische bedrijven", 
        "naam": "BOLSWARD", 
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        "cbsnr": "556", 
        "code": "G1ZK", 
        "color": "#1F78B4", 
        "id": 3872310, 
        "indicator": "Grafische bedrijven", 
        "naam": "MAASSLUIS", 
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        "value": 2.0, 
        "year": 1930
    }, 
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        "cbsnr": "385", 
        "code": "G1ZK", 
        "color": "#B2DF8A", 
        "id": 3866382, 
        "indicator": "Grafische bedrijven", 
        "naam": "EDAM-VOLENDAM", 
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        "value": 4.0, 
        "year": 1930
    }, 
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        "cbsnr": "150", 
        "code": "G1ZK", 
        "color": "#E31A1C", 
        "id": 3857306, 
        "indicator": "Grafische bedrijven", 
        "naam": "DEVENTER", 
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        "value": 15.0, 
        "year": 1930
    }, 
    "10902": {
        "cbsnr": "917", 
        "code": "G1ZK", 
        "color": "#E31A1C", 
        "id": 3882660, 
        "indicator": "Grafische bedrijven", 
        "naam": "HEERLEN", 
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        "value": 13.0, 
        "year": 1930
    }, 
    "10907": {
        "cbsnr": "164", 
        "code": "G1ZK", 
        "color": "#FB9A99", 
        "id": 3857979, 
        "indicator": "Grafische bedrijven", 
        "naam": "HENGELO O", 
        "r": 7.0, 
        "value": 10.0, 
        "year": 1930
    }, 
    "10909": {
        "cbsnr": "72", 
        "code": "G1ZK", 
        "color": "#33A02C", 
        "id": 3854069, 
        "indicator": "Grafische bedrijven", 
        "naam": "HARLINGEN", 
        "r": 4.0, 
        "value": 7.0, 
        "year": 1930
    }, 
    "10928": {
        "cbsnr": "503", 
        "code": "G1ZK", 
        "color": "#FDBF6F", 
        "id": 3870105, 
        "indicator": "Grafische bedrijven", 
        "naam": "DELFT", 
        "r": 15.0, 
        "value": 22.0, 
        "year": 1930
    }, 
    "10932": {
        "cbsnr": "794", 
        "code": "G1ZK", 
        "color": "#33A02C", 
        "id": 3878683, 
        "indicator": "Grafische bedrijven", 
        "naam": "HELMOND", 
        "r": 4.0, 
        "value": 6.0, 
        "year": 1930
    }, 
    "10942": {
        "cbsnr": "512", 
        "code": "G1ZK", 
        "color": "#E31A1C", 
        "id": 3870526, 
        "indicator": "Grafische bedrijven", 
        "naam": "GORINCHEM", 
        "r": 10.0, 
        "value": 11.0, 
        "year": 1930
    }, 
    "10948": {
        "cbsnr": "307", 
        "code": "G1ZK", 
        "color": "#FDBF6F", 
        "id": 3863402, 
        "indicator": "Grafische bedrijven", 
        "naam": "AMERSFOORT", 
        "r": 15.0, 
        "value": 18.0, 
        "year": 1930
    }, 
    "10950": {
        "cbsnr": "30", 
        "code": "G1ZK", 
        "color": "#1F78B4", 
        "id": 3852584, 
        "indicator": "Grafische bedrijven", 
        "naam": "NIEUWE PEKELA", 
        "r": 1.0, 
        "value": 2.0, 
        "year": 1930
    }, 
    "10974": {
        "cbsnr": "632", 
        "code": "G1ZK", 
        "color": "#A6CEE3", 
        "id": 3874923, 
        "indicator": "Grafische bedrijven", 
        "naam": "WOERDEN", 
        "r": 0, 
        "value": 1.0, 
        "year": 1930
    }, 
    "10976": {
        "cbsnr": "10", 
        "code": "G1ZK", 
        "color": "#1F78B4", 
        "id": 3851886, 
        "indicator": "Grafische bedrijven", 
        "naam": "DELFZIJL", 
        "r": 1.0, 
        "value": 2.0, 
        "year": 1930
    }, 
    "11010": {
        "cbsnr": "289", 
        "code": "G1ZK", 
        "color": "#B2DF8A", 
        "id": 3862799, 
        "indicator": "Grafische bedrijven", 
        "naam": "WAGENINGEN", 
        "r": 2.0, 
        "value": 4.0, 
        "year": 1930
    }, 
    "11037": {
        "cbsnr": "748", 
        "code": "G1ZK", 
        "color": "#E31A1C", 
        "id": 3877011, 
        "indicator": "Grafische bedrijven", 
        "naam": "BERGEN OP ZOOM", 
        "r": 10.0, 
        "value": 15.0, 
        "year": 1930
    }, 
    "11044": {
        "cbsnr": "471", 
        "code": "G1ZK", 
        "color": "#E31A1C", 
        "id": 3869189, 
        "indicator": "Grafische bedrijven", 
        "naam": "ZAANDAM", 
        "r": 10.0, 
        "value": 12.0, 
        "year": 1930
    }, 
    "11045": {
        "cbsnr": "1106", 
        "code": "G1ZK", 
        "color": "#B2DF8A", 
        "id": 3885617, 
        "indicator": "Grafische bedrijven", 
        "naam": "LONNEKER", 
        "r": 2.0, 
        "value": 3.0, 
        "year": 1930
    }, 
    "11052": {
        "cbsnr": "345", 
        "code": "G1ZK", 
        "color": "#B2DF8A", 
        "id": 3864684, 
        "indicator": "Grafische bedrijven", 
        "naam": "VEENENDAAL", 
        "r": 2.0, 
        "value": 4.0, 
        "year": 1930
    }, 
    "11053": {
        "cbsnr": "141", 
        "code": "G1ZK", 
        "color": "#E31A1C", 
        "id": 3856881, 
        "indicator": "Grafische bedrijven", 
        "naam": "ALMELO", 
        "r": 10.0, 
        "value": 11.0, 
        "year": 1930
    }, 
    "11066": {
        "cbsnr": "439", 
        "code": "G1ZK", 
        "color": "#A6CEE3", 
        "id": 3868182, 
        "indicator": "Grafische bedrijven", 
        "naam": "PURMEREND", 
        "r": 0, 
        "value": 1.0, 
        "year": 1930
    }, 
    "11075": {
        "cbsnr": "200", 
        "code": "G1ZK", 
        "color": "#FDBF6F", 
        "id": 3859528, 
        "indicator": "Grafische bedrijven", 
        "naam": "APELDOORN", 
        "r": 15.0, 
        "value": 26.0, 
        "year": 1930
    }, 
    "11150": {
        "cbsnr": "363", 
        "code": "G1ZK", 
        "color": "#FF7F00", 
        "id": 3865438, 
        "indicator": "Grafische bedrijven", 
        "naam": "AMSTERDAM", 
        "r": 30.75, 
        "value": 400.0, 
        "year": 1930
    }, 
    "11157": {
        "cbsnr": "505", 
        "code": "G1ZK", 
        "color": "#FDBF6F", 
        "id": 3870275, 
        "indicator": "Grafische bedrijven", 
        "naam": "DORDRECHT", 
        "r": 15.0, 
        "value": 30.0, 
        "year": 1930
    }, 
    "11166": {
        "cbsnr": "168", 
        "code": "G1ZK", 
        "color": "#A6CEE3", 
        "id": 3858279, 
        "indicator": "Grafische bedrijven", 
        "naam": "LOSSER", 
        "r": 0, 
        "value": 1.0, 
        "year": 1930
    }, 
    "11180": {
        "cbsnr": "114", 
        "code": "G1ZK", 
        "color": "#A6CEE3", 
        "id": 3855851, 
        "indicator": "Grafische bedrijven", 
        "naam": "EMMEN", 
        "r": 0, 
        "value": 1.0, 
        "year": 1930
    }, 
    "11204": {
        "cbsnr": "119", 
        "code": "G1ZK", 
        "color": "#33A02C", 
        "id": 3856183, 
        "indicator": "Grafische bedrijven", 
        "naam": "MEPPEL", 
        "r": 4.0, 
        "value": 7.0, 
        "year": 1930
    }, 
    "11209": {
        "cbsnr": "268", 
        "code": "G1ZK", 
        "color": "#FF7F00", 
        "id": 3861824, 
        "indicator": "Grafische bedrijven", 
        "naam": "NIJMEGEN", 
        "r": 30.75, 
        "value": 45.0, 
        "year": 1930
    }, 
    "11224": {
        "cbsnr": "865", 
        "code": "G1ZK", 
        "color": "#1F78B4", 
        "id": 3881294, 
        "indicator": "Grafische bedrijven", 
        "naam": "VUGHT", 
        "r": 1.0, 
        "value": 2.0, 
        "year": 1930
    }, 
    "11226": {
        "cbsnr": "69", 
        "code": "G1ZK", 
        "color": "#33A02C", 
        "id": 3853856, 
        "indicator": "Grafische bedrijven", 
        "naam": "FRANEKER", 
        "r": 4.0, 
        "value": 6.0, 
        "year": 1930
    }, 
    "11228": {
        "cbsnr": "80", 
        "code": "G1ZK", 
        "color": "#FF7F00", 
        "id": 3854531, 
        "indicator": "Grafische bedrijven", 
        "naam": "LEEUWARDEN", 
        "r": 30.75, 
        "value": 31.0, 
        "year": 1930
    }, 
    "11230": {
        "cbsnr": "968", 
        "code": "G1ZK", 
        "color": "#33A02C", 
        "id": 3884480, 
        "indicator": "Grafische bedrijven", 
        "naam": "SITTARD", 
        "r": 4.0, 
        "value": 7.0, 
        "year": 1930
    }, 
    "11259": {
        "cbsnr": "809", 
        "code": "G1ZK", 
        "color": "#A6CEE3", 
        "id": 3879285, 
        "indicator": "Grafische bedrijven", 
        "naam": "LOON OP ZAND", 
        "r": 0, 
        "value": 1.0, 
        "year": 1930
    }, 
    "11260": {
        "cbsnr": "606", 
        "code": "G1ZK", 
        "color": "#E31A1C", 
        "id": 3873917, 
        "indicator": "Grafische bedrijven", 
        "naam": "SCHIEDAM", 
        "r": 10.0, 
        "value": 11.0, 
        "year": 1930
    }, 
    "11280": {
        "cbsnr": "826", 
        "code": "G1ZK", 
        "color": "#33A02C", 
        "id": 3879821, 
        "indicator": "Grafische bedrijven", 
        "naam": "OOSTERHOUT", 
        "r": 4.0, 
        "value": 5.0, 
        "year": 1930
    }, 
    "11285": {
        "cbsnr": "402", 
        "code": "G1ZK", 
        "color": "#FF7F00", 
        "id": 3867192, 
        "indicator": "Grafische bedrijven", 
        "naam": "HILVERSUM", 
        "r": 30.75, 
        "value": 40.0, 
        "year": 1930
    }, 
    "11292": {
        "cbsnr": "47", 
        "code": "G1ZK", 
        "color": "#33A02C", 
        "id": 3853155, 
        "indicator": "Grafische bedrijven", 
        "naam": "VEENDAM", 
        "r": 4.0, 
        "value": 6.0, 
        "year": 1930
    }, 
    "11298": {
        "cbsnr": "772", 
        "code": "G1ZK", 
        "color": "#FF7F00", 
        "id": 3877998, 
        "indicator": "Grafische bedrijven", 
        "naam": "EINDHOVEN", 
        "r": 30.75, 
        "value": 44.0, 
        "year": 1930
    }, 
    "11313": {
        "cbsnr": "957", 
        "code": "G1ZK", 
        "color": "#33A02C", 
        "id": 3884078, 
        "indicator": "Grafische bedrijven", 
        "naam": "ROERMOND", 
        "r": 4.0, 
        "value": 6.0, 
        "year": 1930
    }, 
    "11320": {
        "cbsnr": "122", 
        "code": "G1ZK", 
        "color": "#A6CEE3", 
        "id": 3856354, 
        "indicator": "Grafische bedrijven", 
        "naam": "ODOORN", 
        "r": 0, 
        "value": 1.0, 
        "year": 1930
    }, 
    "11325": {
        "cbsnr": "274", 
        "code": "G1ZK", 
        "color": "#33A02C", 
        "id": 3862109, 
        "indicator": "Grafische bedrijven", 
        "naam": "RENKUM", 
        "r": 4.0, 
        "value": 6.0, 
        "year": 1930
    }, 
    "11327": {
        "cbsnr": "482", 
        "code": "G1ZK", 
        "color": "#1F78B4", 
        "id": 3869489, 
        "indicator": "Grafische bedrijven", 
        "naam": "ALBLASSERDAM", 
        "r": 1.0, 
        "value": 2.0, 
        "year": 1930
    }, 
    "11331": {
        "cbsnr": "610", 
        "code": "G1ZK", 
        "color": "#1F78B4", 
        "id": 3874119, 
        "indicator": "Grafische bedrijven", 
        "naam": "SLIEDRECHT", 
        "r": 1.0, 
        "value": 2.0, 
        "year": 1930
    }, 
    "11355": {
        "cbsnr": "275", 
        "code": "G1ZK", 
        "color": "#FB9A99", 
        "id": 3862242, 
        "indicator": "Grafische bedrijven", 
        "naam": "RHEDEN", 
        "r": 7.0, 
        "value": 8.0, 
        "year": 1930
    }, 
    "11391": {
        "cbsnr": "834", 
        "code": "G1ZK", 
        "color": "#A6CEE3", 
        "id": 3880196, 
        "indicator": "Grafische bedrijven", 
        "naam": "RAAMSDONK", 
        "r": 0, 
        "value": 1.0, 
        "year": 1930
    }, 
    "11392": {
        "cbsnr": "405", 
        "code": "G1ZK", 
        "color": "#E31A1C", 
        "id": 3867370, 
        "indicator": "Grafische bedrijven", 
        "naam": "HOORN", 
        "r": 10.0, 
        "value": 13.0, 
        "year": 1930
    }, 
    "11411": {
        "cbsnr": "308", 
        "code": "G1ZK", 
        "color": "#FB9A99", 
        "id": 3863518, 
        "indicator": "Grafische bedrijven", 
        "naam": "BAARN", 
        "r": 7.0, 
        "value": 10.0, 
        "year": 1930
    }, 
    "11412": {
        "cbsnr": "766", 
        "code": "G1ZK", 
        "color": "#1F78B4", 
        "id": 3877746, 
        "indicator": "Grafische bedrijven", 
        "naam": "DONGEN", 
        "r": 1.0, 
        "value": 2.0, 
        "year": 1930
    }, 
    "11421": {
        "cbsnr": "91", 
        "code": "G1ZK", 
        "color": "#FB9A99", 
        "id": 3855002, 
        "indicator": "Grafische bedrijven", 
        "naam": "SNEEK", 
        "r": 7.0, 
        "value": 8.0, 
        "year": 1930
    }, 
    "11434": {
        "cbsnr": "518", 
        "code": "G1ZK", 
        "color": "#FF7F00", 
        "id": 3870920, 
        "indicator": "Grafische bedrijven", 
        "naam": "'S GRAVENHAGE", 
        "r": 30.75, 
        "value": 346.0, 
        "year": 1930
    }
}