Year Percent of GDP 2004-01-01 106.8263 2005-01-01 105.4905 2006-01-01 116.0230 2007-01-01 116.1239 2008-01-01 127.7693 2009-01-01 139.8906 2010-01-01 134.5565 2011-01-01 139.3658 2012-01-01 143.5777 2013-01-01 142.0180 2014-01-01 140.9571 2015-01-01 137.2252 2016-01-01 145.4186