Year	Percent of GDP
2004-01-01	8.0120
2005-01-01	7.0202
2006-01-01	6.4579
2007-01-01	5.9774
2008-01-01	6.1214
2009-01-01	6.1154
2010-01-01	6.0122
2011-01-01	5.6545
2012-01-01	5.6773
2013-01-01	5.7752
2014-01-01	5.8378
2015-01-01	5.8421
2016-01-01	5.3576