Year % of GNI 2007 -4.5441603091713 2008 -8.16973294457494 2009 -0.758395727023958 2010 1.17488698626919 2011 4.24073043840802 2012 5.04530528727959 2013 8.05990286586038 2014 7.69705476581423 2015 8.91979409072056 2016 9.77622359811923 2017 13.8702881416997 2018 14.72274753459 2019 17.4910187459213 2020 5.14699833998138 2021 17.1007865289626