Year	Percent of GDP
2004-01-01	54.7643
2005-01-01	59.9516
2006-01-01	68.0168
2007-01-01	72.8232
2008-01-01	74.0421
2009-01-01	71.0121
2010-01-01	66.9887
2011-01-01	64.7079
2012-01-01	65.6374
2013-01-01	64.0266
2014-01-01	63.6565
2015-01-01	64.3559
2016-01-01	63.1731