{
  "fields": [{"id":"_id","type":"int"},{"id":"Tahun","type":"numeric"},{"id":"Rumpun","type":"numeric"}],
  "records": [
    [1,2017,20],
    [2,2018,20],
    [3,2019,21],
    [4,2020,25],
    [5,2021,25],
    [6,2022,25],
    [7,2023,25],
    [8,2024,25]
]}