Year	Percent of GDP
2004-01-01	1.2300
2005-01-01	0.8130
2006-01-01	0.7264
2007-01-01	0.7601
2008-01-01	1.3926
2009-01-01	1.1056
2010-01-01	1.2802
2011-01-01	1.3855
2012-01-01	1.9244
2013-01-01	1.5394
2014-01-01	1.4316
2015-01-01	1.8618
2016-01-01	1.7694
2017-01-01	1.6168