Year Percent of GDP 2004-01-01 129.9141176751210 2005-01-01 75.7304110404079 2006-01-01 24.9985683499487 2007-01-01 21.9317096493444 2008-01-01 19.1962754020964 2009-01-01 20.5221489412349 2010-01-01 18.8919607993827 2011-01-01 20.8032730640674 2012-01-01 25.4247915598295 2013-01-01 27.0875826083370 2014-01-01 36.1374158386640 2015-01-01 62.2597386271885 2016-01-01 60.6675204709928 2017-01-01 63.1020834626191 2018-01-01 70.8834162616450 2019-01-01 77.6268345301187