{
  "fields": [{"id":"_id","type":"int"},{"id":"anno","type":"text"},{"id":"numeropratiche","type":"text"}],
  "records": [
    [1,"2018.0","102.0"],
    [2,"2019.0","386.0"],
    [3,"2020.0","405.0"],
    [4,"2021.0","344.0"]
]}