Year	Percent of GDP
2004-01-01	24.3717
2005-01-01	25.1413
2006-01-01	28.7986
2007-01-01	34.2729
2008-01-01	44.1748
2009-01-01	43.7508
2010-01-01	45.1971
2011-01-01	47.5075
2012-01-01	45.7605
2013-01-01	46.2878
2014-01-01	47.2498
2015-01-01	48.2444
2016-01-01	49.5055