Year	% of GDP
2006	0.5724828036984987
2007	0.3554517077088772
2008	2.0735684065921527
2009	-5.1031816967510215
2010	-2.9844692357788034
2011	-0.2920719131231757
2012	0.3426449739419578
2013	-2.996264632609563
2014	0.12772202656735945
2015	-0.7589860503568122
2016	-1.1501477598543763
2017	0.07945701044929696
2018	-1.8073086919085375
