Year	Percent of GDP
2004-01-01	34.2319
2005-01-01	33.7853
2006-01-01	31.1007
2007-01-01	29.9989
2008-01-01	33.8101
2009-01-01	34.5156
2010-01-01	44.6720
2011-01-01	44.7572
2012-01-01	44.7594
2013-01-01	39.9556
2014-01-01	40.2286
2015-01-01	42.3771