Year Percent of GDP 2000-01-01 122.2817 2001-01-01 107.3507 2002-01-01 107.0570 2003-01-01 108.2341 2004-01-01 94.3898 2005-01-01 85.9411 2006-01-01 72.6358 2007-01-01 57.1387 2008-01-01 48.2613 2009-01-01 58.0880 2010-01-01 59.6965 2011-01-01 49.3804 2012-01-01 48.9747 2013-01-01 46.1909 2014-01-01 52.2526 2015-01-01 64.8942 2016-01-01 58.1473 2017-01-01 59.0917 2018-01-01 55.0922 2019-01-01 55.0793