Year	Percent of GDP
2004-01-01	8.3172
2005-01-01	7.8794
2006-01-01	7.2808
2007-01-01	7.4722
2008-01-01	8.2506
2009-01-01	8.1543
2010-01-01	7.5794
2011-01-01	7.7185
2012-01-01	8.0676
2013-01-01	8.1744
2014-01-01	8.3119
2015-01-01	8.6320
2016-01-01	9.1311