{
  "fields": [{"id":"_id","type":"int"},{"id":"Sexo","type":"text"},{"id":"año","type":"numeric"},{"id":"valor","type":"numeric"}],
  "records": [
    [1,"Varones",2008,15.3],
    [2,"Mujeres",2008,16.7],
    [3,"Varones",2013,15.4],
    [4,"Mujeres",2013,16.5]
]}