Year Percent of GDP 2004-01-01 6.09226437705343 2005-01-01 3.52047689634201 2006-01-01 11.35759091253630 2007-01-01 9.39823373968902 2008-01-01 7.60014858943473 2009-01-01 -2.87811671429030 2010-01-01 -3.83387063845556 2011-01-01 -8.89002234551362 2012-01-01 4.54896189257553 2013-01-01 -1.72344024447181 2014-01-01 3.14750904629114 2015-01-01 -1.00240939201605 2016-01-01 -6.34494965834351 2017-01-01 -2.37798083370284 2018-01-01 -4.03146754415451 2019-01-01 -2.20203859104955