Year	Percent of GDP
2004-01-01	41.8844
2005-01-01	42.4825
2006-01-01	42.0439
2007-01-01	40.7049
2008-01-01	35.3743
2009-01-01	38.2726
2010-01-01	33.5756
2011-01-01	35.4439
2012-01-01	35.0565
2013-01-01	37.0350
2014-01-01	38.3825
2015-01-01	42.3585