Year	Percent of GDP
2004-01-01	43.5096
2005-01-01	40.8371
2006-01-01	41.2115
2007-01-01	44.3754
2008-01-01	41.1141
2009-01-01	43.9192
2010-01-01	44.4090
2011-01-01	40.7150
2012-01-01	39.9762
2013-01-01	39.5632
2014-01-01	39.1361
2015-01-01	39.7034
2016-01-01	39.6046