Year	Percent of GDP
2004-01-01	49.9546
2005-01-01	48.8273
2006-01-01	32.9674
2007-01-01	30.6025
2008-01-01	28.2206
2009-01-01	30.0363
2010-01-01	30.2831
2011-01-01	30.1283
2012-01-01	31.4163
2013-01-01	31.7020
2014-01-01	30.8029
2015-01-01	29.4077
2016-01-01	28.1844
2017-01-01	28.8046