Year Percent of GDP 2000-01-01 44.9637 2001-01-01 42.7477 2002-01-01 43.1552 2003-01-01 62.6984 2004-01-01 52.2916 2005-01-01 37.2406 2006-01-01 31.4496 2007-01-01 31.5565 2008-01-01 29.5119 2009-01-01 56.4089 2010-01-01 66.3634 2011-01-01 71.5027 2012-01-01 70.2072 2013-01-01 78.0672 2014-01-01 71.2652 2015-01-01 84.3546 2016-01-01 92.7205 2017-01-01 90.9861 2018-01-01 88.5896 2019-01-01 85.8770