Year	Percent of GDP
2004-01-01	2.1488
2005-01-01	3.2463
2006-01-01	4.9255
2007-01-01	9.1986
2008-01-01	7.8596
2009-01-01	7.5132
2010-01-01	7.0450
2011-01-01	4.8654
2012-01-01	5.4178
2013-01-01	5.8956
2014-01-01	5.3302
2015-01-01	4.9635
2016-01-01	4.8130
2017-01-01	5.8414