| 年份 | 贝宁 |
|---|---|
| 2023 | - |
| 2022 | 29.6408 |
| 2021 | 28.9283 |
| 2020 | 28.6481 |
| 2019 | 26.5349 |
| 2018 | 25.8116 |
| 2017 | 25.253 |
| 2016 | 25.0868 |
| 2015 | 23.9152 |
| 2014 | 22.5104 |
| 2013 | 21.8661 |
| 2012 | 20.902 |
| 2011 | 19.8685 |
| 2010 | 19.001 |
| 2009 | 18.7547 |
| 2008 | 18.6599 |
| 2007 | - |
| 2006 | 17.3617 |
| 2005 | 17.7206 |
| 2004 | 18.8602 |
| 2003 | 19.2075 |
| 2002 | 19.0113 |
| 2001 | 19.8884 |
| 2000 | 21.8803 |
| 1999 | 22.6446 |
| 1998 | 23.1441 |
| 1997 | 23.1391 |
| 1996 | 24.0334 |
| 1995 | 24.6945 |
| 1994 | 25.441 |
| 1993 | 25.3792 |
| 1992 | 24.7579 |
| 1991 | 24.7418 |
| 1990 | 24.56 |
| 1989 | 24.5424 |
| 1988 | 24.8098 |
| 1987 | - |
| 1986 | 24.4127 |
| 1985 | 24.1164 |
| 1984 | 24.8623 |
| 1983 | 24.72 |
| 1982 | 23.8224 |
| 1981 | 23.1173 |
| 1980 | - |
| 1979 | 24.4048 |
| 1978 | 23.4113 |
| 1977 | 23.6606 |
| 1976 | - |
| 1975 | 27.4851 |
| 1974 | 26.2921 |
| 1973 | 27.9159 |
| 1972 | 28.3533 |
| 1971 | 28.9901 |
| 1970 | - |
| 1969 | - |
| 1968 | - |
| 1967 | - |
| 1966 | - |
| 1965 | - |
| 1964 | - |
| 1963 | - |
| 1962 | - |
| 1961 | - |
| 1960 | - |