Year Percent of GDP 2004-01-01 7.10319094647153 2005-01-01 9.23691343904677 2006-01-01 3.35188953911079 2007-01-01 8.11599729655219 2008-01-01 9.46393728902858 2009-01-01 5.00580144107499 2010-01-01 -2.73238314923368 2011-01-01 8.59714612957927 2012-01-01 -1.70575111944370 2013-01-01 2.61499043066270 2014-01-01 11.95436496975440 2015-01-01 10.46541685168690 2016-01-01 10.13410881512360 2017-01-01 8.62940407632034 2018-01-01 8.65411165321589 2019-01-01 8.21458375400454