| 年份 | 贝宁 |
|---|---|
| 2023 | - |
| 2022 | 29.2803 |
| 2021 | 27.1361 |
| 2020 | 24.9608 |
| 2019 | 34.0508 |
| 2018 | 34.521 |
| 2017 | 34.271 |
| 2016 | 31.3801 |
| 2015 | 32.0359 |
| 2014 | 33.8374 |
| 2013 | 31.6296 |
| 2012 | 26.84 |
| 2011 | 26.3674 |
| 2010 | 28.3588 |
| 2009 | 24.7747 |
| 2008 | 25.6346 |
| 2007 | 27.0709 |
| 2006 | 21.7168 |
| 2005 | 20.6123 |
| 2004 | 21.3894 |
| 2003 | 22.9719 |
| 2002 | 24.0418 |
| 2001 | 28.3886 |
| 2000 | 26.7428 |
| 1999 | 31.3823 |
| 1998 | 32.5007 |
| 1997 | 31.5355 |
| 1996 | 30.019 |
| 1995 | 36.4312 |
| 1994 | 36.0735 |
| 1993 | 32.9174 |
| 1992 | 33.5016 |
| 1991 | 30.3422 |
| 1990 | 26.5389 |
| 1989 | 24.8049 |
| 1988 | 32.0831 |
| 1987 | 30.9506 |
| 1986 | 32.6155 |
| 1985 | 36.6486 |
| 1984 | 30.9319 |
| 1983 | 31.5777 |
| 1982 | 40.0863 |
| 1981 | 43.9589 |
| 1980 | 37.3221 |
| 1979 | 37.0218 |
| 1978 | 34.5454 |
| 1977 | 34.7808 |
| 1976 | 31.0285 |
| 1975 | 33.413 |
| 1974 | 29.4946 |
| 1973 | 25.9502 |
| 1972 | 26.8001 |
| 1971 | 27.8326 |
| 1970 | 24.4613 |
| 1969 | 21.4285 |
| 1968 | 19.0766 |
| 1967 | 19.7723 |
| 1966 | 16.1961 |
| 1965 | 14.9057 |
| 1964 | 12.2432 |
| 1963 | 11.6259 |
| 1962 | 9.9593 |
| 1961 | 9.53463 |
| 1960 | 12.1103 |