Year Percent of GDP 2005-01-01 79.6689 2006-01-01 47.7658 2007-01-01 51.5306 2008-01-01 48.9652 2009-01-01 50.4292 2010-01-01 53.8629 2011-01-01 62.0310 2012-01-01 63.0252 2013-01-01 63.8391 2014-01-01 73.3360 2015-01-01 82.8114 2016-01-01 92.8328