{
  "fields": [{"id":"_id","type":"int"},{"id":"año","type":"numeric"},{"id":"valor","type":"numeric"}],
  "records": [
    [1,2006,40],
    [2,2007,37.2],
    [3,2008,34],
    [4,2009,34],
    [5,2010,32.6],
    [6,2011,37.3],
    [7,2012,36.8],
    [8,2013,36.2],
    [9,2014,37],
    [10,2015,37.6],
    [11,2016,38.7],
    [12,2017,38.6]
]}