Year	Percent of GDP
2004-01-01	1.5305
2005-01-01	1.3761
2006-01-01	1.3621
2007-01-01	1.4052
2008-01-01	1.2173
2009-01-01	2.0938
2010-01-01	2.5379
2011-01-01	4.0255
2012-01-01	4.4337
2013-01-01	8.4621
2014-01-01	12.3544
2015-01-01	12.5261
2016-01-01	11.1556