Year	Percent of GDP
2004-01-01	18.2797
2005-01-01	18.4884
2006-01-01	17.1043
2007-01-01	18.4224
2008-01-01	20.0158
2009-01-01	24.7348
2010-01-01	27.0520
2011-01-01	26.8663
2012-01-01	29.7121
2013-01-01	34.9722
2014-01-01	43.0958
2015-01-01	57.5225
2016-01-01	64.4940