Year	% of GDP
2005	3.7303495120184604
2006	1.0791504633243107
2007	-6.966712096064646
2008	-4.649759223417657
2009	-10.057261354416216
2010	-3.4106992352821885
2011	-1.611439956184162
2012	-0.9452110993601404
2013	-3.7869135636803266
2014	-3.4427527518916685
2015	-7.129369538827447
2016	-7.723910585478118
