Year Percent of GDP 2002-01-01 280.9792 2003-01-01 271.1328 2004-01-01 243.4377 2005-01-01 204.0340 2006-01-01 23.0194 2007-01-01 20.2399 2008-01-01 18.3696 2009-01-01 16.7756 2010-01-01 7.9101 2011-01-01 7.1440 2012-01-01 6.6127 2013-01-01 6.7602 2014-01-01 6.2813 2015-01-01 6.1283 2016-01-01 6.3860 2017-01-01 6.1405 2018-01-01 6.2729 2019-01-01 6.2903