Year Percent of GDP 2002-01-01 345.9775 2003-01-01 270.6024 2004-01-01 244.9667 2005-01-01 206.3560 2006-01-01 22.9846 2007-01-01 20.1366 2008-01-01 19.0571 2009-01-01 16.2473 2010-01-01 7.7094 2011-01-01 7.5126 2012-01-01 6.7694 2013-01-01 6.9144 2014-01-01 8.7003 2015-01-01 9.1231 2016-01-01 8.0307 2017-01-01 7.3461 2018-01-01 6.7595 2019-01-01 6.3158