{
  "fields": [{"id":"_id","type":"int"},{"id":"年度（西暦）","type":"numeric"},{"id":"給付者数","type":"numeric"}],
  "records": [
    [1,2016,319],
    [2,2017,331],
    [3,2018,444],
    [4,2019,451],
    [5,2020,413]
]}