Year	Percent of GDP
2004-01-01	42.1019
2005-01-01	39.2345
2006-01-01	33.7530
2007-01-01	39.9898
2008-01-01	38.2643
2009-01-01	41.4771
2010-01-01	41.5134
2011-01-01	41.9667
2012-01-01	44.6692
2013-01-01	50.2828
2014-01-01	52.6830
2015-01-01	60.6870
2016-01-01	70.3485