Year	Percent of GDP
2004-01-01	8.7201
2005-01-01	11.0948
2006-01-01	12.3008
2007-01-01	12.5136
2008-01-01	12.1743
2009-01-01	22.8852
2010-01-01	25.3081
2011-01-01	24.0280
2012-01-01	23.9527
2013-01-01	27.5021
2014-01-01	35.0611
2015-01-01	31.3218
2016-01-01	32.0419
2017-01-01	30.6576