Year	Percent of GDP
2004-01-01	35.6159
2005-01-01	34.5708
2006-01-01	32.9498
2007-01-01	28.3391
2008-01-01	29.5715
2009-01-01	31.3043
2010-01-01	32.7566
2011-01-01	33.4241
2012-01-01	34.1786
2013-01-01	35.0977
2014-01-01	35.7006
2015-01-01	35.7516
2016-01-01	35.4659