{
  "fields": [{"id":"_id","type":"int"},{"id":"年度","type":"text"},{"id":"加入世帯数[世帯]","type":"text"},{"id":"加入者数[人]","type":"text"},{"id":"一世帯当り加入者数[人]","type":"text"}],
  "records": [
    [1,"2016","42792","59508","1.4"],
    [2,"2017","41865","57642","1.4"],
    [3,"2018","40684","55511","1.4"],
    [4,"2019","39620","53600","1.4"],
    [5,"2020","38341","51616","1.3"],
    [6,"令和3年度港区行政資料集　国民健康保険加入状況","Ver202103",null,null]
]}
