Year	Percent of GDP
2004-01-01	57.3639
2005-01-01	53.3958
2006-01-01	52.2977
2007-01-01	47.4382
2008-01-01	48.2974
2009-01-01	47.9465
2010-01-01	44.2738
2011-01-01	45.0754
2012-01-01	49.8830
2013-01-01	50.7181
2014-01-01	50.4390
2015-01-01	49.8378
2016-01-01	49.2454