Year	Percent of GDP
2004-01-01	9.6385
2005-01-01	9.7250
2006-01-01	10.0279
2007-01-01	11.1148
2008-01-01	10.6437
2009-01-01	16.2507
2010-01-01	16.3448
2011-01-01	19.5277
2012-01-01	21.6140
2013-01-01	24.4187
2014-01-01	26.1897
2015-01-01	28.4256
2016-01-01	32.8417