Year	Percent of GDP
2004-01-01	27.6543
2005-01-01	32.4884
2006-01-01	36.3710
2007-01-01	31.4560
2008-01-01	27.2504
2009-01-01	33.4435
2010-01-01	39.4785
2011-01-01	35.0445
2012-01-01	33.9272
2013-01-01	37.1226
2014-01-01	36.7766
2015-01-01	38.1866
2016-01-01	40.7252