Year % of GNI 1976 16.521526070668468 1977 14.983522097808748 1978 15.333821035902588 1979 15.25078078220558 1980 15.095748820857308 1981 11.258128415710026 1982 9.319031074504986 1983 13.663223194380151 1984 13.03442994690868 1985 10.91832684263261 1986 4.090402952120496 1987 5.126394674946686 1988 7.207971162644403 1989 9.114533185529755 1990 10.05976640417711 1991 9.314961399254878 1992 8.78840515171537 1993 8.089183611813349 1994 10.52057107976731 1995 11.523315191344693 1996 12.418759506738038 1997 12.902013634386964 1998 13.071673206704503 1999 10.915973688451263 2000 11.319069553558343 2001 11.555949919048421 2002 12.623944052509271 2003 15.047694724884954 2004 17.828431371046 2005 20.698250099878702 2006 27.5374696588736 2007 29.745744470337506 2008 29.94659902141432 2009 23.825721852824728 2010 26.026560937666257 2011 27.446469943218776 2012 27.338621284069674 2013 25.476190408154643 2014 21.9173274396152 2015 14.719664808606924 2016 15.707391790502287 2017 16.546537598789744 2018 16.528049777855173 2019 14.491125290982534 2020 12.625724724976148 2021 14.211201996266528 2022 14.330945080286513 2023 13.78697752960367