Year % of GNI 2009 -13.362755039282 2010 -13.6330209267988 2011 -10.2112140509998 2012 -0.578319585958708 2013 7.56095430520871 2014 4.750242496161 2015 2.33263902465394 2016 5.38356443378451 2017 4.62187168236255