Year	Percent of GDP
2004-01-01	0.1556
2005-01-01	0.1644
2006-01-01	0.1632
2007-01-01	0.1938
2008-01-01	0.2329
2009-01-01	0.2264
2010-01-01	0.2302
2011-01-01	0.2178
2012-01-01	0.2022
2013-01-01	0.2058
2014-01-01	0.1635
2015-01-01	0.1774