Year	Percent of GDP
2004-01-01	1.0705
2005-01-01	1.1427
2006-01-01	1.2792
2007-01-01	1.3405
2008-01-01	1.4135
2009-01-01	1.5947
2010-01-01	2.0325
2011-01-01	1.8325
2012-01-01	2.0617
2013-01-01	2.1624
2014-01-01	2.0948
2015-01-01	2.3159
2016-01-01	2.1264
2017-01-01	2.4740