{
  "fields": [{"id":"_id","type":"int"},{"id":"Sexo","type":"text"},{"id":"año","type":"numeric"},{"id":"valor","type":"numeric"}],
  "records": [
    [1,"Varones",2013,39.4],
    [2,"Mujeres",2013,53],
    [3,"Varones",2008,31.3],
    [4,"Mujeres",2008,41.7]
]}