Year	Percent of GDP
2004-01-01	0.1988
2005-01-01	0.2540
2006-01-01	0.3104
2007-01-01	0.3241
2008-01-01	0.3023
2009-01-01	0.4726
2010-01-01	0.7051
2011-01-01	0.8539
2012-01-01	1.0876
2013-01-01	1.1199
2014-01-01	1.1538
2015-01-01	1.6216
2016-01-01	1.5419
2017-01-01	1.5270