{
  "fields": [{"id":"_id","type":"int"},{"id":"年度","type":"text"},{"id":"65歳以上75歳未満[人]","type":"text"},{"id":"75歳以上[人]","type":"numeric"},{"id":"（再掲）外国人被保険者[人]","type":"numeric"},{"id":"（再掲）住所地特例被保険者[人]","type":"numeric"}],
  "records": [
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    [3,"2015","22278",20907,825,512],
    [4,"2016","22175",21683,865,557],
    [5,"2017","22034",22242,930,622],
    [6,null,null,null,null,null],
    [7,"平成30年度港区行政資料集　介護保険 第１号被保険者数（65歳以上）","Ver201803",null,null,null]
]}