Year	Percent of GDP
2004-01-01	12.5325
2005-01-01	13.3692
2006-01-01	13.5511
2007-01-01	21.9979
2008-01-01	30.0481
2009-01-01	35.3151
2010-01-01	13.8931
2011-01-01	11.4775
2012-01-01	11.2260
2013-01-01	12.3969
2014-01-01	14.2998
2015-01-01	13.8850
2016-01-01	15.6959