Year	Percent of GDP
2004-01-01	1.2761
2005-01-01	1.9386
2006-01-01	2.1075
2007-01-01	2.3422
2008-01-01	2.6454
2009-01-01	4.0980
2010-01-01	4.9550
2011-01-01	4.6114
2012-01-01	4.8628
2013-01-01	8.2192
2014-01-01	10.6838
2015-01-01	11.2885
2016-01-01	10.4151