Year % of GNI 2005 -2.923657667368118 2006 -0.699448809826681 2007 0.34902728054666077 2008 -1.3606929603346314 2009 2.046901858453163 2010 2.869980245940506 2014 8.087826399982045 2015 7.526801314860509 2016 7.979125895836919 2017 10.479125455444146 2018 10.431348896873807 2019 10.608802430630302 2020 9.108090687303642 2021 3.046990208456541