Year	Percent of GDP
2004-01-01	23.7236
2005-01-01	27.8460
2006-01-01	28.4333
2007-01-01	32.3690
2008-01-01	37.1915
2009-01-01	42.8769
2010-01-01	44.0056
2011-01-01	43.9841
2012-01-01	45.2319
2013-01-01	45.9754
2014-01-01	45.5761
2015-01-01	46.5167
2016-01-01	48.4200