Year Percent of GDP 2000-01-01 4.7064 2001-01-01 4.4702 2002-01-01 7.8787 2003-01-01 6.7624 2004-01-01 17.6953 2005-01-01 10.4773 2006-01-01 8.7479 2007-01-01 10.5374 2008-01-01 9.9397 2009-01-01 14.8932 2010-01-01 6.7412 2011-01-01 7.5213 2012-01-01 11.2356 2013-01-01 22.7329 2014-01-01 15.2688 2015-01-01 5.3198 2016-01-01 -4.7124 2017-01-01 -1.6460 2018-01-01 2.8123 2019-01-01 7.5431