Year	Percent of GDP
2004-01-01	2.7719
2005-01-01	3.1184
2006-01-01	3.6513
2007-01-01	4.4254
2008-01-01	8.5038
2009-01-01	9.9130
2010-01-01	11.0870
2011-01-01	12.1974
2012-01-01	12.2637
2013-01-01	13.2360
2014-01-01	14.2401
2015-01-01	15.2086
