Annual % 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