Year	Percent of GDP
2004-01-01	4.2504
2005-01-01	4.9668
2006-01-01	5.1849
2007-01-01	6.2806
2008-01-01	7.8694
2009-01-01	7.9064
2010-01-01	8.1309
2011-01-01	8.8142
2012-01-01	9.7661
2013-01-01	10.6163
2014-01-01	11.4784
2015-01-01	12.4773
2016-01-01	12.2352
2017-01-01	13.0031