Year Percent of GDP 2000-01-01 83.4600 2001-01-01 79.2890 2002-01-01 60.9599 2003-01-01 44.1235 2004-01-01 39.9106 2005-01-01 40.2267 2006-01-01 43.2177 2007-01-01 52.9771 2008-01-01 52.9572 2009-01-01 87.3031 2010-01-01 89.2345 2011-01-01 81.7860 2012-01-01 50.7439 2013-01-01 49.2694 2014-01-01 48.6112 2015-01-01 73.8328 2016-01-01 110.8792 2017-01-01 88.0373 2018-01-01 86.6478 2019-01-01 82.7008