{
  "fields": [{"id":"_id","type":"int"},{"id":"año","type":"numeric"},{"id":"valor","type":"numeric"}],
  "records": [
    [1,2005,20.7],
    [2,2006,21.6],
    [3,2007,32.6],
    [4,2008,37.3],
    [5,2009,41],
    [6,2010,45.5],
    [7,2011,47.1],
    [8,2012,50.5]
]}