{
  "fields": [{"id":"_id","type":"int"},{"id":"区分（年度）","type":"text"},{"id":"2011","type":"numeric"},{"id":"2012","type":"numeric"},{"id":"2013","type":"numeric"},{"id":"2014","type":"numeric"},{"id":"2015","type":"numeric"},{"id":"2016","type":"numeric"},{"id":"2017","type":"numeric"},{"id":"2018","type":"numeric"},{"id":"2019","type":"numeric"},{"id":"2020","type":"numeric"},{"id":"2021","type":"numeric"},{"id":"2022","type":"numeric"},{"id":"2023","type":"numeric"},{"id":"2024","type":"numeric"}],
  "records": [
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    [2,"任意加入者",77,69,62,67,69,63,64,58,62,52,54,53,50,55],
    [3,"第３号被保険者",4349,4378,4336,4235,4150,4048,3914,3774,3713,3632,3555,3390,3266,3053],
    [4,"合計",10063,10000,9850,9666,9268,8850,8534,8304,8131,7959,7793,7592,7424,7164]
]}