Year Percent of GDP 2002-01-01 45.1587 2003-01-01 31.3254 2004-01-01 23.4568 2005-01-01 1.9204 2006-01-01 -10.8384 2007-01-01 -20.8799 2008-01-01 -35.4857 2009-01-01 -39.6439 2010-01-01 -33.7029 2011-01-01 -31.0835 2012-01-01 -29.0279 2013-01-01 -29.5114 2014-01-01 -21.7876 2015-01-01 -7.6216 2016-01-01 13.4094 2017-01-01 20.4867 2018-01-01 28.7616 2019-01-01 33.7440