Year	Percent of GDP
2004-01-01	7.5154
2005-01-01	7.7375
2006-01-01	9.9837
2007-01-01	11.1488
2008-01-01	9.1757
2009-01-01	11.1330
2010-01-01	10.0611
2011-01-01	9.6455
2012-01-01	10.8714
2013-01-01	10.8479
2014-01-01	11.0833
2015-01-01	16.6141
2016-01-01	17.1203
2017-01-01	17.7576