{
  "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]
]}