Year	Percent of GDP
2004-01-01	52.2197
2005-01-01	52.6219
2006-01-01	53.8793
2007-01-01	57.1805
2008-01-01	56.2742
2009-01-01	63.0328
2010-01-01	63.0735
2011-01-01	81.0721
2012-01-01	83.5903
2013-01-01	84.9436
2014-01-01	84.7843
2015-01-01	90.3607
2016-01-01	93.0712
2017-01-01	99.8102