Year	% of GNI
2009	-15.6174963826994
2010	-15.7208909551642
2011	-12.4266988384954
2012	-2.62210181717745
2013	5.48206209548309
2014	2.69216507503086
2015	0.34671896403374
2016	3.46475393780628
2017	2.72839712166864