{
  "fields": [{"id":"_id","type":"int"},{"id":"Consumió drogas","type":"text"},{"id":"año","type":"numeric"},{"id":"valor","type":"numeric"}],
  "records": [
    [1," Sí  ",2013,98.8],
    [2," No ",2013,0.7],
    [3," Ns/Nc ",2013,0.5]
]}