{
  "fields": [{"id":"_id","type":"int"},{"id":"Redes Sociales","type":"text"},{"id":"año","type":"numeric"},{"id":"valor","type":"numeric"}],
  "records": [
    [1,"Facebook",2013,86.6],
    [2,"Twitter",2013,24.3],
    [3,"e-mail",2013,82.3],
    [4,"Facebook",2008,0],
    [5,"Twitter",2008,0],
    [6,"e-mail",2008,76.6]
]}