Year	Percent of GDP
2004-01-01	22.25098150
2005-01-01	25.40689316
2006-01-01	21.08747394
2007-01-01	24.66750180
2008-01-01	24.85337953
2009-01-01	23.10986760
2010-01-01	20.13743175
2011-01-01	22.64556715
2012-01-01	22.09713431
2013-01-01	19.02695517
2014-01-01	18.97719865
2015-01-01	19.97987909
2016-01-01	20.56107166