{
  "fields": [{"id":"_id","type":"int"},{"id":"cost","type":"text"},{"id":"user_proportion","type":"text"}],
  "records": [
    [1,"ต่ำกว่า 201 บาท","19.14%"],
    [2,"201 - 400 บาท","37.12%"],
    [3,"401 - 600 บาท","25.18%"],
    [4,"601 - 800 บาท","10.65%"],
    [5,"801 - 1,000 บาท","4.24%"],
    [6,"1,001 - 1,500 บาท","2.44%"],
    [7,"1,500 บาทขึ้นไป","1.23%"]
]}