Year	Percent of GDP
2004-01-01	0.3371
2005-01-01	0.4252
2006-01-01	0.4790
2007-01-01	0.5559
2008-01-01	0.5649
2009-01-01	0.6940
2010-01-01	0.7077
2011-01-01	0.6892
2012-01-01	0.7659
2013-01-01	0.8055
2014-01-01	0.8731
2015-01-01	0.9326
2016-01-01	0.9744