Year Percent of GDP 2004-01-01 45.6620573312201 2005-01-01 47.8106414487170 2006-01-01 47.4451165893889 2007-01-01 44.3195016609156 2008-01-01 42.5319649675690 2009-01-01 35.2301440729179 2010-01-01 37.7950517358741 2011-01-01 40.6168546429738 2012-01-01 38.2242117482168 2013-01-01 33.4275408104325 2014-01-01 31.4607411075067 2015-01-01 26.5484534899524 2016-01-01 24.3785999872031 2017-01-01 27.5051131046270 2018-01-01 33.6808688608081 2019-01-01 34.0687929540511