Year	Percent of GDP
2004-01-01	13.1062
2005-01-01	10.9323
2006-01-01	11.5330
2007-01-01	12.0273
2008-01-01	11.8593
2009-01-01	13.0725
2010-01-01	12.8317
2011-01-01	13.3011
2012-01-01	14.4600
2013-01-01	15.8369
2014-01-01	18.9028
2015-01-01	31.4533
2016-01-01	27.4250