Year Percent of GDP 2004-01-01 79.1504 2005-01-01 80.4338 2006-01-01 82.7540 2007-01-01 82.0749 2008-01-01 80.8680 2009-01-01 89.0975 2010-01-01 91.9307 2011-01-01 90.6562 2012-01-01 95.3383 2013-01-01 99.7189 2014-01-01 99.4434 2015-01-01 100.7276 2016-01-01 103.0896 2017-01-01 105.6263