| 年份 | 贝宁 |
|---|---|
| 2023 | - |
| 2022 | 18.4601 |
| 2021 | 16.793 |
| 2020 | -19.7928 |
| 2019 | 3.39395 |
| 2018 | 4.83869 |
| 2017 | 14.3232 |
| 2016 | 3.30333 |
| 2015 | -0.967773 |
| 2014 | 14.6917 |
| 2013 | 30.771 |
| 2012 | 11.3623 |
| 2011 | -4.5666 |
| 2010 | 7.34962 |
| 2009 | 4.7418 |
| 2008 | 4.21381 |
| 2007 | 30.3022 |
| 2006 | 7.42446 |
| 2005 | -4.40837 |
| 2004 | -3.80175 |
| 2003 | 5.11819 |
| 2002 | -3.44255 |
| 2001 | 13.4468 |
| 2000 | -10.5826 |
| 1999 | 16.6116 |
| 1998 | 9.87795 |
| 1997 | 11.4352 |
| 1996 | -10.4627 |
| 1995 | 5.50611 |
| 1994 | -11.9085 |
| 1993 | 8.3383 |
| 1992 | 19.2881 |
| 1991 | 26.2535 |
| 1990 | 35.3705 |
| 1989 | -23.0416 |
| 1988 | 3.28116 |
| 1987 | -8.32847 |
| 1986 | -13.5145 |
| 1985 | 17.9669 |
| 1984 | 0.118345 |
| 1983 | -26.0394 |
| 1982 | -23.2962 |
| 1981 | 9.44243 |
| 1980 | 17.97 |
| 1979 | 27.4844 |
| 1978 | 5.71783 |
| 1977 | 9.51747 |
| 1976 | -6.58415 |
| 1975 | 6.08188 |
| 1974 | 1.23149 |
| 1973 | -1.25657 |
| 1972 | 7.9175 |
| 1971 | 19.6415 |
| 1970 | 8.20099 |
| 1969 | 8.66329 |
| 1968 | 5.48278 |
| 1967 | 24.7556 |
| 1966 | 28.4519 |
| 1965 | 27.1269 |
| 1964 | 9.30238 |
| 1963 | 24.6378 |
| 1962 | 4.54484 |
| 1961 | -19.0183 |
| 1960 | - |