{
  "fields": [{"id":"_id","type":"int"},{"id":"年（西暦）","type":"numeric"},{"id":"年（和暦）","type":"text"},{"id":"出生率（人口千対）（パーセント）","type":"numeric"},{"id":"死亡率（人口千対）（パーセント）","type":"numeric"}],
  "records": [
    [1,2018,"平成30",8.6,7.1],
    [2,2019,"令和元",8.4,6.9],
    [3,2020,"令和2",8.2,7.3],
    [4,2021,"令和3",7.3,7.7],
    [5,2022,"令和4",7.5,8.7],
    [6,2023,"令和5",6.8,7.8]
]}