{
  "fields": [{"id":"_id","type":"int"},{"id":"Nombre","type":"text"},{"id":"año","type":"numeric"},{"id":"valor","type":"numeric"}],
  "records": [
    [1,"Electricidad",2011,20.5],
    [2,"Leña",2011,37],
    [3,"Gas por cañería",2011,1.5],
    [4,"Supergás",2011,25.1],
    [5,"Queroseno",2011,1.5],
    [6,"Gas oil",2011,0.2],
    [7,"Fuel-oil",2011,0.7],
    [8,"Otra",2011,0.2],
    [9,"Ninguna",2011,13.4]
]}