Year	Percent of GDP
2004-01-01	18.3975
2005-01-01	17.4519
2006-01-01	16.7524
2007-01-01	18.0144
2008-01-01	21.5780
2009-01-01	27.0082
2010-01-01	28.1838
2011-01-01	30.5010
2012-01-01	33.3409
2013-01-01	35.4172
2014-01-01	46.2024
2015-01-01	51.9611
2016-01-01	50.6250