{
  "fields": [{"id":"_id","type":"int"},{"id":"年度別（年度末現在）","type":"numeric"},{"id":"総数（人）","type":"numeric"},{"id":"65〜74歳（人）","type":"numeric"},{"id":"75歳以上（人）","type":"numeric"}],
  "records": [
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    [2,2018,126262,60383,65879],
    [3,2019,126510,59057,67453],
    [4,2020,126473,58741,67732],
    [5,2021,126148,56847,69301]
]}