{
  "fields": [{"id":"_id","type":"int"},{"id":"fecha","type":"text"},{"id":"ciudad_de_mexico","type":"text"},{"id":"nacional","type":"text"}],
  "records": [
    [1,"31/12/2013","62.2","48"],
    [2,"31/12/2015","62.1","48.9"],
    [3,"31/12/2017","68.3","53.6"],
    [4,"31/12/2019","52.6","44.6"],
    [5,"31/12/2021","49.6","43.4"],
    [6,"31/12/2023","44.1","38.4"]
]}