{
  "fields": [{"id":"_id","type":"int"},{"id":"año","type":"numeric"},{"id":"valor","type":"numeric"}],
  "records": [
    [1,2006,8.9],
    [2,2007,8.8],
    [3,2008,8.3],
    [4,2009,7.6],
    [5,2010,8.3],
    [6,2011,7.5],
    [7,2012,6.8],
    [8,2013,6.4],
    [9,2014,6],
    [10,2015,5.4],
    [11,2016,5],
    [12,2017,4.3]
]}