Year % of GNI 2000 1.12536831581029 2001 1.09125825768032 2002 1.07643734602879 2003 1.06730291789958 2004 0.980717514199328 2005 1.08515373552764 2006 1.03097546913847 2007 0.965045210900711 2008 0.855668446464007 2009 0.792967283264315 2010 0.739334967359053 2011 2.69595618563794 2012 3.52100953269356 2013 4.85511399313718 2014 4.33274751710363 2015 5.54453662794813 2016 7.7966476823676 2017 6.95869570926039 2018 5.21736776430524 2019 4.85612703313748 2020 9.85336357444363