Year % of GNI 2009 1.11197468229547 2010 1.29740230580947 2011 1.46592765659798 2012 1.24062859982101 2013 0.938296470912142 2014 0.799647955025219 2015 1.02531754161446 2016 1.04582627852423 2017 0.934205027426437 2018 1.27787052218331 2019 1.29099527213206 2020 1.14251585292128 2021 1.22212443671311