Year	Percent of GDP
2004-01-01	0.4424
2005-01-01	0.5057
2006-01-01	0.5038
2007-01-01	0.5457
2008-01-01	0.6240
2009-01-01	0.6809
2010-01-01	0.7082
2011-01-01	0.7551
2012-01-01	0.8403
2013-01-01	0.9842
2014-01-01	1.1218
2015-01-01	1.2839
2016-01-01	1.3364
2017-01-01	1.4914