Year % of GNI 1980 22.345784908766007 1981 11.66380492194347 1982 7.679890626887967 1983 7.706560335099233 1984 8.029311954087067 1985 6.466499747370209 1986 4.4862411607682295 1987 6.762138499461873 1988 5.14081244246675 1995 8.071830941056781 1996 8.840205206333819 1997 7.191523335295323 1998 5.888452651180321 1999 6.045942551067019 2000 7.919553790080476 2001 6.7263956002747785 2002 7.697795790865507 2003 8.598082368043563 2004 9.150655033613877 2005 10.380185162848544 2006 10.121225474836498 2007 8.659604392135309 2008 8.277455383732304 2009 5.176906865370551 2010 6.009317108998931 2011 7.839471354685223 2012 6.50706316561208 2013 5.325134716111901 2014 4.602686926290941 2015 4.317225866908045 2016 4.443924380510514 2017 5.404353193589336 2018 6.021062559442777 2019 5.383120008223105 2020 3.7393312559337564 2021 7.052714088749486