Year	Percent of GDP
2004-01-01	28.9245
2005-01-01	33.6315
2006-01-01	36.7793
2007-01-01	42.5682
2008-01-01	45.7301
2009-01-01	44.2605
2010-01-01	44.9271
2011-01-01	44.7206
2012-01-01	39.5598
2013-01-01	37.9179
2014-01-01	34.7671
2015-01-01	32.4566
2016-01-01	33.1701
2017-01-01	35.5644