{
  "fields": [{"id":"_id","type":"int"},{"id":"年度","type":"text"},{"id":"第1号被保険者数総数","type":"numeric"},{"id":"65歳〜74歳","type":"numeric"},{"id":"75歳以上","type":"numeric"},{"id":"（再掲）\n外国人被保険者数","type":"numeric"},{"id":"（再掲）\n住所地特例被保険者数","type":"numeric"},{"id":"資格取得者","type":"numeric"},{"id":"資格喪失者","type":"numeric"}],
  "records": [
    [1,"平成29年度",28366,16717,11649,150,128,1911,1072],
    [2,"平成30年度",29150,16588,12562,158,146,1843,1059],
    [3,"令和元年度",29820,16575,13245,178,172,1779,1109],
    [4,"令和2年度",30343,16682,13661,195,182,1682,1159],
    [5,"令和3年度",30862,16358,14504,208,197,1770,1251],
    [6,"令和4年度",31293,15526,15767,238,212,1716,1285],
    [7,"令和5年度",31801,14931,16870,247,234,1854,1346]
]}