{
  "fields": [{"type":"int","id":"_id"},{"type":"numeric","id":"Anno"},{"type":"numeric","id":"Disponibilita' filobus per 100mila ab"}],
  "records": [
    [1,2013,10.7],
    [2,2014,10.4],
    [3,2015,10.1],
    [4,2016,10.0],
    [5,2017,9.9],
    [6,2018,9.3]
]}