Year	Percent of GDP
2004-01-01	88.7625
2005-01-01	88.2009
2006-01-01	82.7752
2007-01-01	78.4296
2008-01-01	72.7012
2009-01-01	68.0247
2010-01-01	66.6469
2011-01-01	61.4146
2012-01-01	56.2362
2013-01-01	59.8214
2014-01-01	73.0203
2015-01-01	78.0996