Year	Percent of GDP
2004-01-01	36.6591
2005-01-01	38.9038
2006-01-01	35.8626
2007-01-01	38.9116
2008-01-01	38.2805
2009-01-01	42.2640
2010-01-01	45.1992
2011-01-01	36.1832
2012-01-01	36.9634
2013-01-01	39.1419
2014-01-01	39.8635
2015-01-01	35.3516
2016-01-01	33.5503