Year Percent of GDP 2004-01-01 74.1965 2005-01-01 84.6912 2006-01-01 90.0485 2007-01-01 91.9679 2008-01-01 82.8805 2009-01-01 78.0317 2010-01-01 76.3937 2011-01-01 76.8439 2012-01-01 80.6448 2013-01-01 78.9296 2014-01-01 75.3269 2015-01-01 78.7991 2016-01-01 83.0476