Year	% of GDP
2006	0.558458779444501
2007	0.29379457151091193
2008	1.0908778375930541
2009	-1.6262427824537002
2010	-0.25666792059510024
2011	-0.673593913537389
2012	0.5642168512473096
2013	-1.718839321386553
2014	1.1383090795736543
2015	-0.7210045769753046