Year	Percent of GDP
2004-01-01	2.8763
2005-01-01	6.2856
2006-01-01	6.3316
2007-01-01	9.0066
2008-01-01	11.2360
2009-01-01	12.7199
2010-01-01	13.2867
2011-01-01	15.8373
2012-01-01	16.7454
2013-01-01	13.3497
2015-01-01	12.9673