Year	Percent of GDP
2004-01-01	8.8157
2005-01-01	9.5322
2006-01-01	8.4579
2007-01-01	8.4824
2008-01-01	10.9508
2009-01-01	10.0516
2010-01-01	9.7053
2011-01-01	10.0884
2012-01-01	10.4493
2013-01-01	11.6779
2014-01-01	12.5601
2015-01-01	14.0417
2016-01-01	13.5796
2017-01-01	14.9191