Year Percent of GDP 2000-01-01 9.6636 2001-01-01 9.0994 2002-01-01 9.8554 2003-01-01 13.3119 2004-01-01 16.6677 2005-01-01 17.8740 2006-01-01 17.5002 2007-01-01 16.7413 2008-01-01 20.1770 2009-01-01 14.5434 2010-01-01 16.8031 2011-01-01 16.2302 2012-01-01 8.7869 2013-01-01 9.7283 2014-01-01 10.2656 2015-01-01 9.7060 2016-01-01 8.4495 2017-01-01 8.3597 2018-01-01 7.7425 2019-01-01 6.3871