{
  "fields": [{"type":"int","id":"_id"},{"type":"numeric","id":"tahun"},{"type":"numeric","id":"nilai"}],
  "records": [
    [1,2024,3],
    [2,2025,5],
    [3,2026,3],
    [4,2024,3],
    [5,2025,5],
    [6,2026,3]
]}