Year	Percent of GDP
2004-01-01	34.2954
2005-01-01	38.3366
2006-01-01	42.3436
2007-01-01	47.5324
2008-01-01	54.2142
2009-01-01	54.6426
2010-01-01	55.2778
2011-01-01	53.0848
2012-01-01	45.1505
2013-01-01	41.4424
2014-01-01	38.8788
2015-01-01	32.2891
2016-01-01	30.5193