{
  "fields": [{"id":"_id","type":"int"},{"id":"año","type":"numeric"},{"id":"valor","type":"numeric"}],
  "records": [
    [1,2006,11.7],
    [2,2007,12.4],
    [3,2008,11.6],
    [4,2009,10.7],
    [5,2010,10.4],
    [6,2011,9.3],
    [7,2012,8.2],
    [8,2013,7.7],
    [9,2014,7],
    [10,2015,6.2],
    [11,2016,5.7],
    [12,2017,4.9]
]}