{
  "fields": [{"id":"_id","type":"int"},{"id":"年次別（年末）","type":"text"},{"id":"総数（人）","type":"numeric"},{"id":"正組合員（人）","type":"numeric"},{"id":"准組合員（人）","type":"numeric"}],
  "records": [
    [1,"2017年",805,495,310],
    [2,"2018年",762,473,289],
    [3,"2019年",720,451,269],
    [4,"2020年",696,442,254],
    [5,"2021年",682,434,248]
]}