Year Percent of GDP 2004-01-01 36.7527186204092 2005-01-01 43.2535337255107 2006-01-01 39.3640293469759 2007-01-01 40.2487890495468 2008-01-01 48.2305013392686 2009-01-01 29.8008901541503 2010-01-01 38.6990968310687 2011-01-01 49.4189687284830 2012-01-01 42.2905882016258 2013-01-01 32.2135786527361 2014-01-01 28.0661956496671 2015-01-01 15.5033884449841 2016-01-01 13.3252114612607 2017-01-01 18.6727303330909 2018-01-01 22.7575704409283 2019-01-01 23.4830603546121