Year	Percent of GDP
2004-01-01	0.3377
2005-01-01	0.3431
2006-01-01	0.3486
2007-01-01	0.3324
2008-01-01	0.3317
2009-01-01	0.3243
2010-01-01	0.3112
2011-01-01	0.3048
2012-01-01	0.3118
2013-01-01	0.2996
2014-01-01	0.2935
2015-01-01	0.3166
2016-01-01	0.3093