Year	Percent of GDP
2004-01-01	0.5804
2005-01-01	0.4855
2006-01-01	0.4187
2007-01-01	0.4599
2008-01-01	0.4877
2009-01-01	0.9409
2010-01-01	1.2958
2011-01-01	2.3027
2012-01-01	2.6732
2013-01-01	2.7287
2014-01-01	3.0645
2015-01-01	4.5755