{
  "fields": [{"id":"_id","type":"int"},{"id":"年度","type":"text"},{"id":"件数（人）","type":"numeric"},{"id":"利用回数（回）","type":"numeric"}],
  "records": [
    [1,"平成29年度",150,283],
    [2,"平成30年度",146,310],
    [3,"令和元年度",142,310],
    [4,"令和2年度",108,225],
    [5,"令和3年度",128,228],
    [6,"令和4年度",118,182]
]}