Year	Percent of GDP
2004-01-01	31.0243
2005-01-01	31.1722
2006-01-01	30.3464
2007-01-01	30.6135
2008-01-01	31.2379
2009-01-01	32.3932
2010-01-01	32.3309
2011-01-01	34.5531
2012-01-01	35.4401
2013-01-01	39.5085
2014-01-01	39.7664
2015-01-01	40.7029
2016-01-01	40.4913
2017-01-01	42.0003