{
  "fields": [{"id":"_id","type":"int"},{"id":"año","type":"numeric"},{"id":"valor","type":"numeric"}],
  "records": [
    [1,2006,17.9],
    [2,2007,18.1],
    [3,2008,16.7],
    [4,2009,16.6],
    [5,2010,15],
    [6,2011,13.3],
    [7,2012,11.8],
    [8,2013,11.9],
    [9,2014,11.6],
    [10,2015,11.8],
    [11,2016,11.3],
    [12,2017,11]
]}