Year	Percent of GDP
2004-01-01	0.4837
2005-01-01	0.5689
2006-01-01	12.3338
2007-01-01	12.4272
2008-01-01	11.6648
2009-01-01	12.4576
2010-01-01	12.8990
2011-01-01	13.6091
2012-01-01	13.3416
2013-01-01	13.9620
2014-01-01	12.8926
2015-01-01	13.4203
2016-01-01	13.9924