| 年份 | 贝宁 |
|---|---|
| 2023 | - |
| 2022 | 3.03155 |
| 2021 | 2.77454 |
| 2020 | 2.40555 |
| 2019 | 3.24163 |
| 2018 | 3.82293 |
| 2017 | 5.17636 |
| 2016 | 4.36613 |
| 2015 | 4.39874 |
| 2014 | 4.92757 |
| 2013 | 4.6142 |
| 2012 | 4.93158 |
| 2011 | - |
| 2010 | - |
| 2009 | - |
| 2008 | 4.56348 |
| 2007 | - |
| 2006 | 5.11866 |
| 2005 | 4.81642 |
| 2004 | 5.06117 |
| 2003 | 4.72912 |
| 2002 | 4.07498 |
| 2001 | 2.31735 |
| 2000 | 2.63947 |
| 1999 | 4.51694 |
| 1998 | - |
| 1997 | - |
| 1996 | - |
| 1995 | - |
| 1994 | - |
| 1993 | - |
| 1992 | - |
| 1991 | - |
| 1990 | 9.23934 |
| 1989 | 10.4652 |
| 1988 | - |
| 1987 | - |
| 1986 | - |
| 1985 | - |
| 1984 | - |
| 1983 | - |
| 1982 | - |
| 1981 | - |
| 1980 | - |
| 1979 | - |
| 1978 | - |
| 1977 | - |
| 1976 | - |
| 1975 | - |
| 1974 | - |
| 1973 | - |
| 1972 | - |
| 1971 | - |
| 1970 | - |
| 1969 | - |
| 1968 | - |
| 1967 | - |
| 1966 | - |
| 1965 | - |
| 1964 | - |
| 1963 | - |
| 1962 | - |
| 1961 | - |
| 1960 | - |