Year	Percent of GDP
2004-01-01	2.1296
2005-01-01	2.0941
2006-01-01	2.2111
2007-01-01	1.6029
2008-01-01	1.4275
2009-01-01	1.2638
2010-01-01	1.0548
2011-01-01	1.4046
2012-01-01	2.6370
2013-01-01	3.1575
2014-01-01	4.1175
2015-01-01	7.4572
2016-01-01	5.9823