{
  "fields": [{"type":"int","id":"_id"},{"type":"numeric","id":"tahun"},{"type":"numeric","id":"angka"}],
  "records": [
    [1,2015,105.91],
    [2,2016,100.8],
    [3,2017,100.87],
    [4,2018,100.8],
    [5,2019,100.7]
]}