Year	Percent of GDP
2004-01-01	15.4362
2005-01-01	18.8314
2006-01-01	36.8904
2007-01-01	80.5685
2008-01-01	87.1636
2009-01-01	77.0991
2010-01-01	67.2670
2011-01-01	55.4894
2012-01-01	54.5954
2013-01-01	54.3117
2014-01-01	52.2682
2015-01-01	51.1020
2016-01-01	51.7604
2017-01-01	55.6841