Year	Percent of GDP
2004-01-01	62.1199
2005-01-01	64.0970
2006-01-01	64.0895
2007-01-01	62.9846
2008-01-01	63.1874
2009-01-01	69.2584
2010-01-01	71.1488
2011-01-01	71.3241
2012-01-01	75.1347
2013-01-01	78.4543
2014-01-01	79.0712
2015-01-01	79.5031
2016-01-01	81.3164
2017-01-01	83.0500