Year Percent of GDP 2004-01-01 142.8558 2005-01-01 146.7951 2006-01-01 136.6792 2007-01-01 131.7902 2008-01-01 116.0930 2009-01-01 120.0187 2010-01-01 119.9498 2011-01-01 119.0823 2012-01-01 113.6784 2013-01-01 115.6860 2014-01-01 118.9640 2015-01-01 122.3770 2016-01-01 119.8731