Year Percent of GDP 2004-01-01 149.736886431557 2005-01-01 158.913372783326 2006-01-01 154.047622191906 2007-01-01 155.770419897437 2008-01-01 173.594015500026 2009-01-01 144.602289049308 2010-01-01 143.777008418488 2011-01-01 132.432706541589 2012-01-01 128.326888606010 2013-01-01 127.477080096765 2014-01-01 128.674437916023 2015-01-01 132.498428074880 2016-01-01 132.810355922191 2017-01-01 131.244030399870 2018-01-01 129.409839267634 2019-01-01 127.290423268203