Year	Percent of GDP
2004-01-01	32.8052
2005-01-01	35.8946
2006-01-01	36.5026
2007-01-01	38.8439
2008-01-01	38.1360
2009-01-01	43.4014
2010-01-01	43.0848
2011-01-01	42.5591
2012-01-01	43.7379
2013-01-01	44.0619
2014-01-01	43.2419
2015-01-01	43.4931
2016-01-01	45.0183
2017-01-01	46.7811