Year	Percent of GDP
2004-01-01	71.6547
2005-01-01	74.0741
2006-01-01	72.2116
2007-01-01	69.1545
2008-01-01	65.6976
2009-01-01	68.1901
2010-01-01	64.8344
2011-01-01	64.8177
2012-01-01	66.6207
2013-01-01	65.3585
2014-01-01	64.6402
2015-01-01	66.3111
2016-01-01	66.0802