Year Percent of GDP 2004-01-01 85.1959 2005-01-01 80.7644 2006-01-01 77.3321 2007-01-01 59.8451 2008-01-01 60.0868 2009-01-01 51.1631 2010-01-01 58.0129 2011-01-01 52.7382 2012-01-01 43.3750 2013-01-01 49.4194 2014-01-01 60.7296 2015-01-01 58.5038 2016-01-01 65.6871