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            "indicator": "Chemische nijverheid Pos.A", 
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        {
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            "indicator": "Chemische nijverheid Pos.A", 
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            "code": "CHA1", 
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            "indicator": "Chemische nijverheid Pos.A", 
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            "cbsnr": "91", 
            "code": "CHA1", 
            "id": 3805902, 
            "indicator": "Chemische nijverheid Pos.A", 
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            "cbsnr": "94", 
            "code": "CHA1", 
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            "indicator": "Chemische nijverheid Pos.A", 
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            "indicator": "Chemische nijverheid Pos.A", 
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            "cbsnr": "95", 
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            "indicator": "Chemische nijverheid Pos.A", 
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            "cbsnr": "98", 
            "code": "CHA1", 
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            "indicator": "Chemische nijverheid Pos.A", 
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            "code": "CHA1", 
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            "indicator": "Chemische nijverheid Pos.A", 
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            "indicator": "Chemische nijverheid Pos.A", 
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            "cbsnr": "101", 
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            "indicator": "Chemische nijverheid Pos.A", 
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            "indicator": "Chemische nijverheid Pos.A", 
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            "indicator": "Chemische nijverheid Pos.A", 
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            "indicator": "Chemische nijverheid Pos.A", 
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        {
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            "indicator": "Chemische nijverheid Pos.A", 
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        {
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            "indicator": "Chemische nijverheid Pos.A", 
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        {
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            "indicator": "Chemische nijverheid Pos.A", 
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            "cbsnr": "141", 
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            "indicator": "Chemische nijverheid Pos.A", 
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        {
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            "cbsnr": "147", 
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            "indicator": "Chemische nijverheid Pos.A", 
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        {
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            "cbsnr": "147", 
            "code": "CHA1", 
            "id": 3808976, 
            "indicator": "Chemische nijverheid Pos.A", 
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            "cbsnr": "150", 
            "code": "CHA1", 
            "id": 3809215, 
            "indicator": "Chemische nijverheid Pos.A", 
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        {
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            "cbsnr": "150", 
            "code": "CHA1", 
            "id": 3809285, 
            "indicator": "Chemische nijverheid Pos.A", 
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        {
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            "cbsnr": "153", 
            "code": "CHA1", 
            "id": 3809448, 
            "indicator": "Chemische nijverheid Pos.A", 
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        {
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            "cbsnr": "153", 
            "code": "CHA1", 
            "id": 3809515, 
            "indicator": "Chemische nijverheid Pos.A", 
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        {
            "amsterdam_code": "10907", 
            "cbsnr": "164", 
            "code": "CHA1", 
            "id": 3810055, 
            "indicator": "Chemische nijverheid Pos.A", 
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        {
            "amsterdam_code": "10907", 
            "cbsnr": "164", 
            "code": "CHA1", 
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            "indicator": "Chemische nijverheid Pos.A", 
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        {
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            "code": "CHA1", 
            "id": 3810257, 
            "indicator": "Chemische nijverheid Pos.A", 
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        {
            "amsterdam_code": "10253", 
            "cbsnr": "166", 
            "code": "CHA1", 
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            "indicator": "Chemische nijverheid Pos.A", 
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        {
            "amsterdam_code": "11100", 
            "cbsnr": "173", 
            "code": "CHA1", 
            "id": 3810628, 
            "indicator": "Chemische nijverheid Pos.A", 
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        {
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            "cbsnr": "173", 
            "code": "CHA1", 
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            "indicator": "Chemische nijverheid Pos.A", 
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            "indicator": "Chemische nijverheid Pos.A", 
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            "indicator": "Chemische nijverheid Pos.A", 
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        {
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            "indicator": "Chemische nijverheid Pos.A", 
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        {
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            "indicator": "Chemische nijverheid Pos.A", 
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            "indicator": "Chemische nijverheid Pos.A", 
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            "indicator": "Chemische nijverheid Pos.A", 
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            "indicator": "Chemische nijverheid Pos.A", 
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            "indicator": "Chemische nijverheid Pos.A", 
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            "indicator": "Chemische nijverheid Pos.A", 
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            "indicator": "Chemische nijverheid Pos.A", 
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            "indicator": "Chemische nijverheid Pos.A", 
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            "indicator": "Chemische nijverheid Pos.A", 
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            "indicator": "Chemische nijverheid Pos.A", 
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            "indicator": "Chemische nijverheid Pos.A", 
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            "indicator": "Chemische nijverheid Pos.A", 
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            "id": 3813427, 
            "indicator": "Chemische nijverheid Pos.A", 
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            "indicator": "Chemische nijverheid Pos.A", 
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            "code": "CHA1", 
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            "indicator": "Chemische nijverheid Pos.A", 
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            "code": "CHA1", 
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            "indicator": "Chemische nijverheid Pos.A", 
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            "indicator": "Chemische nijverheid Pos.A", 
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            "indicator": "Chemische nijverheid Pos.A", 
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        {
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            "code": "CHA1", 
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            "indicator": "Chemische nijverheid Pos.A", 
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            "indicator": "Chemische nijverheid Pos.A", 
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            "code": "CHA1", 
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            "indicator": "Chemische nijverheid Pos.A", 
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            "code": "CHA1", 
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            "indicator": "Chemische nijverheid Pos.A", 
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            "indicator": "Chemische nijverheid Pos.A", 
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            "cbsnr": "344", 
            "code": "CHA1", 
            "id": 3820478, 
            "indicator": "Chemische nijverheid Pos.A", 
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        {
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            "code": "CHA1", 
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            "indicator": "Chemische nijverheid Pos.A", 
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            "cbsnr": "345", 
            "code": "CHA1", 
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            "indicator": "Chemische nijverheid Pos.A", 
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            "code": "CHA1", 
            "id": 3821180, 
            "indicator": "Chemische nijverheid Pos.A", 
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        {
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            "cbsnr": "355", 
            "code": "CHA1", 
            "id": 3821249, 
            "indicator": "Chemische nijverheid Pos.A", 
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        {
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            "cbsnr": "361", 
            "code": "CHA1", 
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            "indicator": "Chemische nijverheid Pos.A", 
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        {
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            "code": "CHA1", 
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            "indicator": "Chemische nijverheid Pos.A", 
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        {
            "amsterdam_code": "11150", 
            "cbsnr": "363", 
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            "indicator": "Chemische nijverheid Pos.A", 
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        {
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            "code": "CHA1", 
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            "indicator": "Chemische nijverheid Pos.A", 
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            "cbsnr": "375", 
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            "indicator": "Chemische nijverheid Pos.A", 
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        {
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            "cbsnr": "375", 
            "code": "CHA1", 
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            "indicator": "Chemische nijverheid Pos.A", 
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        {
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            "cbsnr": "377", 
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            "indicator": "Chemische nijverheid Pos.A", 
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        {
            "amsterdam_code": "10281", 
            "cbsnr": "381", 
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            "indicator": "Chemische nijverheid Pos.A", 
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        {
            "amsterdam_code": "10281", 
            "cbsnr": "381", 
            "code": "CHA1", 
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            "indicator": "Chemische nijverheid Pos.A", 
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            "cbsnr": "388", 
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            "indicator": "Chemische nijverheid Pos.A", 
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        {
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            "indicator": "Chemische nijverheid Pos.A", 
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        {
            "amsterdam_code": "10357", 
            "cbsnr": "392", 
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            "indicator": "Chemische nijverheid Pos.A", 
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        {
            "amsterdam_code": "10357", 
            "cbsnr": "392", 
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            "indicator": "Chemische nijverheid Pos.A", 
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        {
            "amsterdam_code": "10285", 
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            "indicator": "Chemische nijverheid Pos.A", 
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        {
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            "indicator": "Chemische nijverheid Pos.A", 
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            "indicator": "Chemische nijverheid Pos.A", 
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        {
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            "indicator": "Chemische nijverheid Pos.A", 
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        {
            "amsterdam_code": "11392", 
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            "indicator": "Chemische nijverheid Pos.A", 
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        {
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            "indicator": "Chemische nijverheid Pos.A", 
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        {
            "amsterdam_code": "11066", 
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            "indicator": "Chemische nijverheid Pos.A", 
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        {
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            "indicator": "Chemische nijverheid Pos.A", 
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        {
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            "indicator": "Chemische nijverheid Pos.A", 
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        {
            "amsterdam_code": "10620", 
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            "indicator": "Chemische nijverheid Pos.A", 
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        {
            "amsterdam_code": "10620", 
            "cbsnr": "453", 
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            "indicator": "Chemische nijverheid Pos.A", 
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        {
            "amsterdam_code": "10773", 
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            "indicator": "Chemische nijverheid Pos.A", 
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        {
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        {
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            "indicator": "Chemische nijverheid Pos.A", 
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        {
            "amsterdam_code": "10361", 
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            "indicator": "Chemische nijverheid Pos.A", 
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        {
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            "indicator": "Chemische nijverheid Pos.A", 
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        {
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            "indicator": "Chemische nijverheid Pos.A", 
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        {
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        {
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            "indicator": "Chemische nijverheid Pos.A", 
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            "indicator": "Chemische nijverheid Pos.A", 
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        {
            "amsterdam_code": "10302", 
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            "indicator": "Chemische nijverheid Pos.A", 
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        {
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            "indicator": "Chemische nijverheid Pos.A", 
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        {
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        {
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        {
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        {
            "amsterdam_code": "11301", 
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            "indicator": "Chemische nijverheid Pos.A", 
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        {
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            "indicator": "Chemische nijverheid Pos.A", 
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        {
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            "indicator": "Chemische nijverheid Pos.A", 
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        {
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            "indicator": "Chemische nijverheid Pos.A", 
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            "indicator": "Chemische nijverheid Pos.A", 
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        {
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        {
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        {
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            "indicator": "Chemische nijverheid Pos.A", 
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        {
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            "code": "CHA1", 
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            "indicator": "Chemische nijverheid Pos.A", 
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        {
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            "code": "CHA1", 
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        {
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            "code": "CHA1", 
            "id": 3837269, 
            "indicator": "Chemische nijverheid Pos.A", 
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        {
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            "code": "CHA1", 
            "id": 3837341, 
            "indicator": "Chemische nijverheid Pos.A", 
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            "code": "CHA1", 
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            "cbsnr": "772", 
            "code": "CHA1", 
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            "indicator": "Chemische nijverheid Pos.A", 
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        {
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            "code": "CHA1", 
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            "indicator": "Chemische nijverheid Pos.A", 
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        {
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            "amsterdam_code": "10932", 
            "cbsnr": "794", 
            "code": "CHA1", 
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            "indicator": "Chemische nijverheid Pos.A", 
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            "cbsnr": "794", 
            "code": "CHA1", 
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            "indicator": "Chemische nijverheid Pos.A", 
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        {
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            "cbsnr": "796", 
            "code": "CHA1", 
            "id": 3838862, 
            "indicator": "Chemische nijverheid Pos.A", 
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        {
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            "code": "CHA1", 
            "id": 3838935, 
            "indicator": "Chemische nijverheid Pos.A", 
            "naam": "'S HERTOGENBOSCH", 
            "value": 5.0, 
            "year": 1930
        }, 
        {
            "amsterdam_code": "11280", 
            "cbsnr": "826", 
            "code": "CHA1", 
            "id": 3839891, 
            "indicator": "Chemische nijverheid Pos.A", 
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        }, 
        {
            "amsterdam_code": "10834", 
            "cbsnr": "828", 
            "code": "CHA1", 
            "id": 3840059, 
            "indicator": "Chemische nijverheid Pos.A", 
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        }, 
        {
            "amsterdam_code": "10407", 
            "cbsnr": "838", 
            "code": "CHA1", 
            "id": 3840519, 
            "indicator": "Chemische nijverheid Pos.A", 
            "naam": "ROOSENDAAL EN NISPEN", 
            "value": 4.0, 
            "year": 1899
        }, 
        {
            "amsterdam_code": "10407", 
            "cbsnr": "838", 
            "code": "CHA1", 
            "id": 3840582, 
            "indicator": "Chemische nijverheid Pos.A", 
            "naam": "ROOSENDAAL EN NISPEN", 
            "value": 3.0, 
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        }, 
        {
            "amsterdam_code": "11178", 
            "cbsnr": "844", 
            "code": "CHA1", 
            "id": 3840837, 
            "indicator": "Chemische nijverheid Pos.A", 
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            "year": 1930
        }, 
        {
            "amsterdam_code": "10792", 
            "cbsnr": "855", 
            "code": "CHA1", 
            "id": 3841287, 
            "indicator": "Chemische nijverheid Pos.A", 
            "naam": "TILBURG", 
            "value": 12.0, 
            "year": 1899
        }, 
        {
            "amsterdam_code": "10792", 
            "cbsnr": "855", 
            "code": "CHA1", 
            "id": 3841361, 
            "indicator": "Chemische nijverheid Pos.A", 
            "naam": "TILBURG", 
            "value": 12.0, 
            "year": 1930
        }, 
        {
            "amsterdam_code": "11141", 
            "cbsnr": "856", 
            "code": "CHA1", 
            "id": 3841451, 
            "indicator": "Chemische nijverheid Pos.A", 
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            "value": 4.0, 
            "year": 1899
        }, 
        {
            "amsterdam_code": "11141", 
            "cbsnr": "856", 
            "code": "CHA1", 
            "id": 3841488, 
            "indicator": "Chemische nijverheid Pos.A", 
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            "value": 1.0, 
            "year": 1930
        }, 
        {
            "amsterdam_code": "10985", 
            "cbsnr": "860", 
            "code": "CHA1", 
            "id": 3841641, 
            "indicator": "Chemische nijverheid Pos.A", 
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            "year": 1899
        }, 
        {
            "amsterdam_code": "11224", 
            "cbsnr": "865", 
            "code": "CHA1", 
            "id": 3841934, 
            "indicator": "Chemische nijverheid Pos.A", 
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        }, 
        {
            "amsterdam_code": "10046", 
            "cbsnr": "878", 
            "code": "CHA1", 
            "id": 3842321, 
            "indicator": "Chemische nijverheid Pos.A", 
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        }, 
        {
            "amsterdam_code": "10941", 
            "cbsnr": "902", 
            "code": "CHA1", 
            "id": 3842954, 
            "indicator": "Chemische nijverheid Pos.A", 
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        {
            "amsterdam_code": "10902", 
            "cbsnr": "917", 
            "code": "CHA1", 
            "id": 3843462, 
            "indicator": "Chemische nijverheid Pos.A", 
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            "year": 1899
        }, 
        {
            "amsterdam_code": "10902", 
            "cbsnr": "917", 
            "code": "CHA1", 
            "id": 3843516, 
            "indicator": "Chemische nijverheid Pos.A", 
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        }, 
        {
            "amsterdam_code": "10313", 
            "cbsnr": "928", 
            "code": "CHA1", 
            "id": 3843879, 
            "indicator": "Chemische nijverheid Pos.A", 
            "naam": "KERKRADE", 
            "value": 2.0, 
            "year": 1899
        }, 
        {
            "amsterdam_code": "10313", 
            "cbsnr": "928", 
            "code": "CHA1", 
            "id": 3843934, 
            "indicator": "Chemische nijverheid Pos.A", 
            "naam": "KERKRADE", 
            "value": 3.0, 
            "year": 1930
        }, 
        {
            "amsterdam_code": "11352", 
            "cbsnr": "934", 
            "code": "CHA1", 
            "id": 3844151, 
            "indicator": "Chemische nijverheid Pos.A", 
            "naam": "MAASBREE", 
            "value": 1.0, 
            "year": 1899
        }, 
        {
            "amsterdam_code": "10182", 
            "cbsnr": "935", 
            "code": "CHA1", 
            "id": 3844311, 
            "indicator": "Chemische nijverheid Pos.A", 
            "naam": "MAASTRICHT", 
            "value": 16.0, 
            "year": 1899
        }, 
        {
            "amsterdam_code": "10182", 
            "cbsnr": "935", 
            "code": "CHA1", 
            "id": 3844382, 
            "indicator": "Chemische nijverheid Pos.A", 
            "naam": "MAASTRICHT", 
            "value": 9.0, 
            "year": 1930
        }, 
        {
            "amsterdam_code": "10494", 
            "cbsnr": "938", 
            "code": "CHA1", 
            "id": 3844510, 
            "indicator": "Chemische nijverheid Pos.A", 
            "naam": "MEERSSEN", 
            "value": 1.0, 
            "year": 1899
        }, 
        {
            "amsterdam_code": "10494", 
            "cbsnr": "938", 
            "code": "CHA1", 
            "id": 3844560, 
            "indicator": "Chemische nijverheid Pos.A", 
            "naam": "MEERSSEN", 
            "value": 1.0, 
            "year": 1930
        }, 
        {
            "amsterdam_code": "11313", 
            "cbsnr": "957", 
            "code": "CHA1", 
            "id": 3845197, 
            "indicator": "Chemische nijverheid Pos.A", 
            "naam": "ROERMOND", 
            "value": 6.0, 
            "year": 1899
        }, 
        {
            "amsterdam_code": "11313", 
            "cbsnr": "957", 
            "code": "CHA1", 
            "id": 3845264, 
            "indicator": "Chemische nijverheid Pos.A", 
            "naam": "ROERMOND", 
            "value": 4.0, 
            "year": 1930
        }, 
        {
            "amsterdam_code": "11230", 
            "cbsnr": "968", 
            "code": "CHA1", 
            "id": 3845629, 
            "indicator": "Chemische nijverheid Pos.A", 
            "naam": "SITTARD", 
            "value": 3.0, 
            "year": 1899
        }, 
        {
            "amsterdam_code": "11230", 
            "cbsnr": "968", 
            "code": "CHA1", 
            "id": 3845688, 
            "indicator": "Chemische nijverheid Pos.A", 
            "naam": "SITTARD", 
            "value": 2.0, 
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        }, 
        {
            "amsterdam_code": "10007", 
            "cbsnr": "981", 
            "code": "CHA1", 
            "id": 3846073, 
            "indicator": "Chemische nijverheid Pos.A", 
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            "year": 1899
        }, 
        {
            "amsterdam_code": "10007", 
            "cbsnr": "981", 
            "code": "CHA1", 
            "id": 3846127, 
            "indicator": "Chemische nijverheid Pos.A", 
            "naam": "VAALS", 
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            "year": 1930
        }, 
        {
            "amsterdam_code": "10477", 
            "cbsnr": "983", 
            "code": "CHA1", 
            "id": 3846255, 
            "indicator": "Chemische nijverheid Pos.A", 
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            "year": 1899
        }, 
        {
            "amsterdam_code": "10477", 
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            "code": "CHA1", 
            "id": 3846325, 
            "indicator": "Chemische nijverheid Pos.A", 
            "naam": "VENLO", 
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        }, 
        {
            "amsterdam_code": "11081", 
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            "code": "CHA1", 
            "id": 3846632, 
            "indicator": "Chemische nijverheid Pos.A", 
            "naam": "WEERT", 
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        }, 
        {
            "amsterdam_code": "11081", 
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            "id": 3846688, 
            "indicator": "Chemische nijverheid Pos.A", 
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        }, 
        {
            "amsterdam_code": "11065", 
            "cbsnr": "1009", 
            "code": "CHA1", 
            "id": 3846956, 
            "indicator": "Chemische nijverheid Pos.A", 
            "naam": "AMBT-ALMELO", 
            "value": 1.0, 
            "year": 1899
        }, 
        {
            "amsterdam_code": "10227", 
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            "code": "CHA1", 
            "id": 3847980, 
            "indicator": "Chemische nijverheid Pos.A", 
            "naam": "HILLEGERSBERG", 
            "value": 5.0, 
            "year": 1899
        }, 
        {
            "amsterdam_code": "10227", 
            "cbsnr": "1081", 
            "code": "CHA1", 
            "id": 3848039, 
            "indicator": "Chemische nijverheid Pos.A", 
            "naam": "HILLEGERSBERG", 
            "value": 3.0, 
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        }, 
        {
            "amsterdam_code": "10410", 
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            "code": "CHA1", 
            "id": 3848126, 
            "indicator": "Chemische nijverheid Pos.A", 
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            "value": 2.0, 
            "year": 1899
        }, 
        {
            "amsterdam_code": "11045", 
            "cbsnr": "1106", 
            "code": "CHA1", 
            "id": 3848586, 
            "indicator": "Chemische nijverheid Pos.A", 
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        }, 
        {
            "amsterdam_code": "10080", 
            "cbsnr": "1168", 
            "code": "CHA1", 
            "id": 3849649, 
            "indicator": "Chemische nijverheid Pos.A", 
            "naam": "SAPPEMEER", 
            "value": 2.0, 
            "year": 1899
        }, 
        {
            "amsterdam_code": "10680", 
            "cbsnr": "1174", 
            "code": "CHA1", 
            "id": 3849822, 
            "indicator": "Chemische nijverheid Pos.A", 
            "naam": "SCHOTERLAND", 
            "value": 4.0, 
            "year": 1899
        }, 
        {
            "amsterdam_code": "10680", 
            "cbsnr": "1174", 
            "code": "CHA1", 
            "id": 3849883, 
            "indicator": "Chemische nijverheid Pos.A", 
            "naam": "SCHOTERLAND", 
            "value": 1.0, 
            "year": 1930
        }, 
        {
            "amsterdam_code": "10148", 
            "cbsnr": "1181", 
            "code": "CHA1", 
            "id": 3850021, 
            "indicator": "Chemische nijverheid Pos.A", 
            "naam": "SLOTEN NH", 
            "value": 1.0, 
            "year": 1899
        }, 
        {
            "amsterdam_code": "11053", 
            "cbsnr": "1189", 
            "code": "CHA1", 
            "id": 3850191, 
            "indicator": "Chemische nijverheid Pos.A", 
            "naam": "STAD-ALMELO", 
            "value": 2.0, 
            "year": 1899
        }, 
        {
            "amsterdam_code": "10825", 
            "cbsnr": "1225", 
            "code": "CHA1", 
            "id": 3850785, 
            "indicator": "Chemische nijverheid Pos.A", 
            "naam": "WILDERVANK", 
            "value": 1.0, 
            "year": 1899
        }, 
        {
            "amsterdam_code": "10825", 
            "cbsnr": "1225", 
            "code": "CHA1", 
            "id": 3850843, 
            "indicator": "Chemische nijverheid Pos.A", 
            "naam": "WILDERVANK", 
            "value": 2.0, 
            "year": 1930
        }, 
        {
            "amsterdam_code": "10654", 
            "cbsnr": "1245", 
            "code": "CHA1", 
            "id": 3851211, 
            "indicator": "Chemische nijverheid Pos.A", 
            "naam": "ZWOLLERKERSPEL", 
            "value": 1.0, 
            "year": 1899
        }, 
        {
            "amsterdam_code": "10799", 
            "cbsnr": "1249", 
            "code": "CHA1", 
            "id": 3851416, 
            "indicator": "Chemische nijverheid Pos.A", 
            "naam": "NIEUWER-AMSTEL", 
            "value": 1.0, 
            "year": 1930
        }, 
        {
            "amsterdam_code": "10610", 
            "cbsnr": "1250", 
            "code": "CHA1", 
            "id": 3851516, 
            "indicator": "Chemische nijverheid Pos.A", 
            "naam": "ONSTWEDDE", 
            "value": 1.0, 
            "year": 1899
        }
    ]
}