Year	Percent of GDP
2006-01-01	11.7995
2007-01-01	12.5533
2008-01-01	13.1472
2009-01-01	14.8446
2010-01-01	15.3561
2011-01-01	15.1984
2012-01-01	15.9187
2013-01-01	17.0415
2014-01-01	17.4920
2015-01-01	23.9018
2016-01-01	19.7988