Year Percent of GDP 2000-01-01 0.1447 2001-01-01 21.7640 2002-01-01 19.3931 2003-01-01 1.6046 2004-01-01 1.7814 2005-01-01 2.7408 2006-01-01 0.6630 2007-01-01 2.3371 2008-01-01 17.1938 2009-01-01 5.8529 2010-01-01 13.8312 2011-01-01 10.8596 2012-01-01 3.7055 2013-01-01 1.6435 2014-01-01 2.7423 2015-01-01 -4.8119 2016-01-01 -1.1701 2017-01-01 0.9080 2018-01-01 2.3569 2019-01-01 2.1451