Year	Percent of GDP
2004-01-01	63.1060
2005-01-01	60.2929
2006-01-01	57.4719
2007-01-01	53.0595
2008-01-01	56.7121
2009-01-01	59.9063
2010-01-01	62.5461
2011-01-01	63.1321
2012-01-01	62.8158
2013-01-01	63.6885
2014-01-01	61.8117
2015-01-01	56.3711
2016-01-01	54.2977
2017-01-01	56.4056