{
  "fields": [{"id":"_id","type":"int"},{"id":"Rentang Usia","type":"text"},{"id":"Jumlah","type":"numeric"}],
  "records": [
    [1,"25-30",25],
    [2,"31-35",24],
    [3,"36-40",17],
    [4,"41-45",9],
    [5,"46-50",14],
    [6,"51-55",34],
    [7,"56-60",35],
    [8,">61",1]
]}