Year	Percent of GDP
2004-01-01	3.9805
2005-01-01	2.9054
2006-01-01	3.5163
2007-01-01	3.8575
2008-01-01	4.0174
2009-01-01	3.8777
2010-01-01	4.7790
2011-01-01	4.3965
2012-01-01	3.9872
2013-01-01	4.3825
2014-01-01	3.8519
2015-01-01	5.4690
2016-01-01	6.3087