| 年份 | 贝宁 |
|---|---|
| 2023 | - |
| 2022 | - |
| 2021 | 35.0302 |
| 2020 | 35.0302 |
| 2019 | 35.0302 |
| 2018 | 35.0302 |
| 2017 | 35.0302 |
| 2016 | 35.0302 |
| 2015 | 35.0302 |
| 2014 | 35.0302 |
| 2013 | 35.0302 |
| 2012 | 33.2565 |
| 2011 | 32.3696 |
| 2010 | 32.3696 |
| 2009 | 32.3696 |
| 2008 | 31.4828 |
| 2007 | 29.7091 |
| 2006 | 29.6204 |
| 2005 | 30.8975 |
| 2004 | 30.7467 |
| 2003 | 30.7467 |
| 2002 | 29.8421 |
| 2001 | 28.9553 |
| 2000 | 28.3345 |
| 1999 | 27.5807 |
| 1998 | 27.0486 |
| 1997 | 25.6297 |
| 1996 | 24.0333 |
| 1995 | 22.3484 |
| 1994 | 21.2841 |
| 1993 | 20.5747 |
| 1992 | 20.353 |
| 1991 | 20.2199 |
| 1990 | 20.1313 |
| 1989 | 19.6878 |
| 1988 | 19.5991 |
| 1987 | 19.5105 |
| 1986 | 19.4218 |
| 1985 | 18.8897 |
| 1984 | 18.7123 |
| 1983 | 18.6236 |
| 1982 | 18.5349 |
| 1981 | 18.2423 |
| 1980 | 17.9762 |
| 1979 | 17.7102 |
| 1978 | 17.5328 |
| 1977 | 17.3554 |
| 1976 | 17.0894 |
| 1975 | 16.8233 |
| 1974 | 16.4686 |
| 1973 | 16.2026 |
| 1972 | 16.0252 |
| 1971 | 15.7591 |
| 1970 | 15.3157 |
| 1969 | 15.1383 |
| 1968 | 14.3845 |
| 1967 | 14.1185 |
| 1966 | 13.7637 |
| 1965 | 13.4977 |
| 1964 | 13.3203 |
| 1963 | 13.143 |
| 1962 | 12.9656 |
| 1961 | 12.7882 |
| 1960 | - |