Year	Percent of GDP
2004-01-01	6.8931
2005-01-01	6.5736
2006-01-01	8.4123
2007-01-01	10.1312
2008-01-01	12.0523
2009-01-01	10.3974
2010-01-01	9.4266
2011-01-01	10.5050
2012-01-01	12.6580
2013-01-01	12.5423
2014-01-01	12.9684
2015-01-01	14.2850
2016-01-01	11.5642