Year	Percent of GDP
2004-01-01	3.9203
2005-01-01	3.6812
2006-01-01	3.5158
2007-01-01	3.0598
2008-01-01	3.8316
2009-01-01	4.6447
2010-01-01	4.5462
2011-01-01	5.0058
2012-01-01	6.7287
2013-01-01	9.2551
2014-01-01	9.7313
2015-01-01	10.3507
2016-01-01	12.6613
2017-01-01	11.5675