{
  "fields": [{"id":"_id","type":"int"},{"id":"N","type":"numeric"},{"id":"q","type":"numeric"}],
  "records": [
    [1,2019,10],
    [2,2020,10],
    [3,2021,10],
    [4,2022,10],
    [5,2023,10],
    [6,2024,10],
    [7,2025,10],
    [8,2026,9]
]}