{
  "fields": [{"id":"_id","type":"int"},{"id":"Participación","type":"text"},{"id":"año","type":"numeric"},{"id":"valor","type":"numeric"}],
  "records": [
    [1,"Tercil 1",2013,18.1],
    [2,"Tercil 2",2013,36.9],
    [3,"Tercil 3",2013,59.4]
]}