Year Percent of GDP 2000-01-01 144.6687 2001-01-01 126.0467 2002-01-01 122.0543 2003-01-01 116.6818 2004-01-01 97.0534 2005-01-01 75.6404 2006-01-01 62.3361 2007-01-01 52.2408 2008-01-01 50.2221 2009-01-01 58.2652 2010-01-01 52.9728 2011-01-01 54.9668 2012-01-01 63.8032 2013-01-01 80.2757 2014-01-01 75.0666 2015-01-01 77.6575 2016-01-01 90.8666 2017-01-01 92.6014 2018-01-01 132.8795 2019-01-01 132.9478