{
  "fields": [{"type":"int","id":"_id"},{"type":"numeric","id":"Anno"},{"type":"numeric","id":"Numero di impianti"},{"type":"text","id":"potenza installata in Kwh"}],
  "records": [
    [1,2015,986,"17163,6"],
    [2,2016,1093,"18630,6"],
    [3,2017,1204,"20219,8"],
    [4,2018,1367,"23084,2"]
]}