{
  "fields": [{"id":"_id","type":"int"},{"id":"Jahr","type":"text"},{"id":"AnzExtradienste","type":"text"}],
  "records": [
    [1,"2019",null],
    [2,"2020",null],
    [3,"2021","299"],
    [4,"2022","252"],
    [5,"2023","231"],
    [6,"2024","365"]
]}