{
  "fields": [{"id":"_id","type":"int"},{"id":"annee","type":"numeric"},{"id":"valeur","type":"numeric"}],
  "records": [
    [1,2019,40],
    [2,2020,3],
    [3,2021,3],
    [4,2022,8],
    [5,2023,10],
    [6,2024,20],
    [7,2025,23]
]}