Year Percent of GDP 2000-01-01 143.3720 2001-01-01 126.8718 2002-01-01 120.9892 2003-01-01 116.9932 2004-01-01 95.1262 2005-01-01 71.5835 2006-01-01 59.3362 2007-01-01 54.6004 2008-01-01 57.9040 2009-01-01 64.0431 2010-01-01 64.3682 2011-01-01 62.9184 2012-01-01 87.4107 2013-01-01 84.9382 2014-01-01 56.0054 2015-01-01 116.8701 2016-01-01 91.3567 2017-01-01 126.0223 2018-01-01 176.4934 2019-01-01 176.0229