Year	Percent of GDP
2004-01-01	0.2414
2005-01-01	0.2547
2006-01-01	0.2181
2007-01-01	0.2498
2008-01-01	0.3399
2009-01-01	0.7953
2010-01-01	0.8640
2011-01-01	0.9893
2012-01-01	1.1058
2013-01-01	2.3364
2014-01-01	3.3701
2015-01-01	3.5021
2016-01-01	3.6566