{
  "fields": [{"id":"_id","type":"int"},{"id":"Clave","type":"numeric"},{"id":"año","type":"numeric"},{"id":"valor","type":"numeric"}],
  "records": [
    [1,1,2001,15.2],
    [2,1,2002,18.4],
    [3,1,2003,19.3],
    [4,1,2004,15.8],
    [5,1,2005,17.1],
    [6,1,2006,13.6],
    [7,1,2007,12.9],
    [8,1,2008,10.8],
    [9,1,2009,9.5],
    [10,1,2010,8.9],
    [11,1,2011,7.6],
    [12,1,2012,7.3],
    [13,1,2013,6.9],
    [14,1,2014,6.9],
    [15,1,2015,7.5],
    [16,1,2016,8.6],
    [17,1,2017,8.6],
    [18,1,2018,8.8]
]}