{
  "fields": [{"type":"int","id":"_id"},{"type":"numeric","id":"Anno"},{"type":"numeric","id":"Consumo di gas metano"}],
  "records": [
    [1,2014,963.4],
    [2,2015,1030.3],
    [3,2016,1029.7],
    [4,2017,1024.9],
    [5,2018,1036.3]
]}