{
  "fields": [{"id":"_id","type":"int"},{"id":"年次別（年末現在）","type":"numeric"},{"id":"郵便局（軒）","type":"numeric"},{"id":"簡易郵便局（軒）","type":"numeric"},{"id":"ゆうちょ銀行店舗（行）","type":"numeric"},{"id":"切手類販売所（箇所）","type":"numeric"},{"id":"ポスト丸型（本）","type":"numeric"},{"id":"ポスト角型（本）","type":"numeric"}],
  "records": [
    [1,2016,45,2,1,297,1,321],
    [2,2017,45,2,1,313,1,302],
    [3,2018,45,2,1,287,0,309],
    [4,2019,45,2,1,308,0,300],
    [5,2020,45,2,1,244,0,306]
]}