Year	Percent of GDP
2004-01-01	11.7927
2005-01-01	11.9138
2006-01-01	11.8899
2007-01-01	14.6898
2008-01-01	18.6692
2009-01-01	23.2509
2010-01-01	28.0202
2011-01-01	31.8729
2012-01-01	35.0452
2013-01-01	37.0891
2014-01-01	41.3928
2015-01-01	49.7417
2016-01-01	45.4109