Year	Percent of GDP
2004-01-01	42.1265
2005-01-01	48.3324
2006-01-01	55.4596
2007-01-01	63.7888
2008-01-01	66.0652
2009-01-01	64.1892
2010-01-01	58.8079
2011-01-01	53.9391
2012-01-01	48.9919
2013-01-01	46.5189
2014-01-01	45.0437
2015-01-01	42.3215
2016-01-01	42.0909
2017-01-01	40.8194