{
  "fields": [{"id":"_id","type":"int"},{"id":"年月日","type":"text"},{"id":"定数（人）","type":"numeric"},{"id":"男性（人）","type":"numeric"},{"id":"女性（人）","type":"numeric"}],
  "records": [
    [1,"2015-12-01",21,3,17],
    [2,"2016-12-01",21,5,16],
    [3,"2017-12-01",21,5,16],
    [4,"2018-12-01",21,5,16],
    [5,"2019-12-01",21,3,11],
    [6,"2020-12-01",21,3,10],
    [7,"2021-12-01",21,5,14],
    [8,"2022-12-01",21,5,16],
    [9,"2023-12-01",21,5,16],
    [10,"2024-12-01",21,4,16],
    [11,"2025-12-01",21,2,15]
]}