Year	Percent of GDP
2004-01-01	0.1764
2005-01-01	0.2087
2006-01-01	0.3460
2007-01-01	0.4750
2008-01-01	0.5957
2009-01-01	0.5595
2010-01-01	0.4837
2011-01-01	0.4965
2012-01-01	0.4931
2013-01-01	0.4746
2014-01-01	0.4701
2015-01-01	0.4545
2016-01-01	0.4926