Year	Percent of GDP
2004-01-01	46.6171
2005-01-01	54.0264
2006-01-01	57.9280
2007-01-01	70.4103
2008-01-01	70.7101
2009-01-01	72.0838
2010-01-01	61.3159
2011-01-01	57.0802
2012-01-01	52.8966
2013-01-01	50.6372
2014-01-01	50.1871
2015-01-01	47.5847
2016-01-01	47.0657
2017-01-01	48.4437