Year	Percent of GDP
2004-01-01	61.4965
2005-01-01	64.8985
2006-01-01	67.6060
2007-01-01	71.4077
2008-01-01	76.3708
2009-01-01	74.8807
2010-01-01	75.1979
2011-01-01	77.6150
2012-01-01	81.5305
2013-01-01	82.5657
2014-01-01	86.1888
2015-01-01	91.4472
2016-01-01	92.2478