Year Percent of GDP 2004-01-01 72.9474 2005-01-01 75.6945 2006-01-01 75.0421 2007-01-01 76.2707 2008-01-01 75.1081 2009-01-01 81.3813 2010-01-01 81.2765 2011-01-01 81.7603 2012-01-01 83.6397 2013-01-01 83.9500 2014-01-01 92.9637 2015-01-01 90.4807 2016-01-01 91.2990