Year % of GNI 2006 3.1592175825959 2007 0.339340347214709 2008 -2.88854658139654 2009 -7.90425816075299 2010 -7.36727383236035 2011 -11.1952317230024 2012 -8.1534166567236 2013 -5.46539983219512 2014 -4.38457373417175 2015 -4.11719186398334 2016 -3.55750138019796 2017 -4.3688650025567 2018 -3.74802034475104 2019 -2.63696088615675 2020 -6.93096752205815 2021 -2.05883308259416