Year Percent of GDP 2007-01-01 130.4562 2008-01-01 125.4944 2009-01-01 115.3741 2010-01-01 118.6145 2011-01-01 119.2099 2012-01-01 116.1664 2013-01-01 112.4549 2014-01-01 112.7878 2015-01-01 118.1704 2016-01-01 116.8920 2017-01-01 118.4050