{
  "fields": [{"id":"_id","type":"int"},{"id":"区分","type":"text"},{"id":"幼少年人口指数","type":"numeric"},{"id":"老年人口指数","type":"numeric"},{"id":"従属人口指数","type":"numeric"},{"id":"老年化指数","type":"text"}],
  "records": [
    [1,"昭和55年",47.9,13.5,61.4,"28.3"],
    [2,"60年",47.9,15.4,63.3,"32.3"],
    [3,"平成2年",45.6,18.6,64.2,"40.8"],
    [4,"7年",40,21.9,61.9,"54.7"],
    [5,"12年",33.7,24.3,58,"72"],
    [6,"17年",29.9,26.2,56.1,"87.7"],
    [7,"22年",28.6,26.5,55.1,"92.5"],
    [8,"27年",29.2,30.6,59.8,"105"],
    [9,"令和2年",29,37.2,66.2,"128.4"],
    [10,"",null,null,null,"資料：令和2年国勢調査"]
]}