Year	Percent of GDP
2004-01-01	59.7755
2005-01-01	59.6536
2006-01-01	55.9431
2007-01-01	55.7960
2008-01-01	55.3321
2009-01-01	56.5332
2010-01-01	57.1022
2011-01-01	58.2637
2012-01-01	61.0965
2013-01-01	59.5561
2014-01-01	62.9851
2015-01-01	64.0334
2016-01-01	61.5506
2017-01-01	63.1266