{
  "fields": [{"id":"_id","type":"int"},{"id":"月","type":"text"},{"id":"受水企業数","type":"numeric"},{"id":"契約水量(㎥/月)","type":"numeric"},{"id":"料金収入(円)","type":"numeric"}],
  "records": [
    [1,"4月",2,211800,10430475],
    [2,"5月",2,218860,10778157],
    [3,"6月",2,211800,10430475],
    [4,"7月",2,218860,10778157],
    [5,"8月",2,218860,10778157],
    [6,"9月",2,211800,10430475],
    [7,"10月",2,218860,10778157],
    [8,"11月",2,211800,10430475],
    [9,"12月",2,218860,10778157],
    [10,"1月",2,218860,10778157],
    [11,"2月",2,204740,10082792],
    [12,"3月",null,null,null],
    [13,"計",null,2365100,116473634]
]}