Year Percent of GDP 2000-01-01 234.3941 2001-01-01 231.7204 2002-01-01 204.3961 2003-01-01 177.9427 2004-01-01 170.8651 2005-01-01 154.8442 2006-01-01 82.5909 2007-01-01 73.4251 2008-01-01 77.8827 2009-01-01 89.6934 2010-01-01 80.5929 2011-01-01 71.6284 2012-01-01 73.5345 2013-01-01 70.5845 2014-01-01 80.3611 2015-01-01 98.4610 2016-01-01 98.7489 2017-01-01 91.0860 2018-01-01 72.4069 2019-01-01 73.1693