{
  "fields": [{"id":"_id","type":"int"},{"id":"año","type":"numeric"},{"id":"valor","type":"numeric"}],
  "records": [
    [1,2008,0.03],
    [2,2009,0.2],
    [3,2010,0.36],
    [4,2011,0.38],
    [5,2012,0.38],
    [6,2013,0.39],
    [7,2014,0.57]
]}