Year Percent of GDP 2004-01-01 4.26564857327475 2005-01-01 1.97206565063312 2006-01-01 10.60945797321710 2007-01-01 7.97663962687454 2008-01-01 5.73894606374025 2009-01-01 -5.62092366094397 2010-01-01 -10.44160679849040 2011-01-01 -15.83747077855360 2012-01-01 -2.99178834885003 2013-01-01 -5.84966564530525 2014-01-01 1.45422158197527 2015-01-01 -3.98374815911370 2016-01-01 -8.86942255001287 2017-01-01 -4.59825942648354 2018-01-01 -6.18447359157626 2019-01-01 -4.34404583185167