Year	Percent of GDP
2004-01-01	2.3566
2005-01-01	2.3985
2006-01-01	2.9795
2007-01-01	3.7347
2008-01-01	4.2017
2009-01-01	4.2801
2010-01-01	4.6320
2011-01-01	5.0813
2012-01-01	5.3775
2013-01-01	5.8228