Year	Percent of GDP
2004-01-01	44.4244
2005-01-01	52.1055
2006-01-01	60.1710
2007-01-01	74.0110
2008-01-01	80.4352
2009-01-01	86.3081
2010-01-01	88.2402
2011-01-01	84.6128
2012-01-01	81.9999
2013-01-01	68.3853
2014-01-01	56.5380
2015-01-01	50.9359
2016-01-01	47.3081
2017-01-01	48.0147