Year	Percent of GDP
2004-01-01	61.7244
2005-01-01	61.0945
2006-01-01	61.3548
2007-01-01	56.8576
2008-01-01	61.1326
2009-01-01	65.2312
2010-01-01	69.0654
2011-01-01	71.1199
2012-01-01	71.8914
2013-01-01	70.6348
2014-01-01	72.7110
2015-01-01	74.4012
2016-01-01	75.7883