Year Percent of GDP 2000-01-01 233.5203 2001-01-01 230.8783 2002-01-01 203.6429 2003-01-01 177.2448 2004-01-01 170.2165 2005-01-01 154.4185 2006-01-01 82.3038 2007-01-01 73.1318 2008-01-01 77.5887 2009-01-01 89.3518 2010-01-01 80.3054 2011-01-01 71.3667 2012-01-01 73.2611 2013-01-01 70.3098 2014-01-01 80.0749 2015-01-01 98.1395 2016-01-01 98.4397 2017-01-01 90.7994 2018-01-01 72.1927 2019-01-01 72.9713