| 年份 | 贝宁 |
|---|---|
| 2023 | - |
| 2022 | - |
| 2021 | - |
| 2020 | - |
| 2019 | - |
| 2018 | 15.3996 |
| 2017 | - |
| 2016 | 10.2264 |
| 2015 | 11.0379 |
| 2014 | 11.0125 |
| 2013 | 11.2615 |
| 2012 | 11.6528 |
| 2011 | 10.9006 |
| 2010 | 13.45 |
| 2009 | - |
| 2008 | 14.2794 |
| 2007 | - |
| 2006 | - |
| 2005 | 16.6887 |
| 2004 | 23.0091 |
| 2003 | 19.8945 |
| 2002 | 20.922 |
| 2001 | 19.9007 |
| 2000 | 19.9693 |
| 1999 | - |
| 1998 | 23.7591 |
| 1997 | 25.1392 |
| 1996 | 24.9102 |
| 1995 | 24.2799 |
| 1994 | 24.5208 |
| 1993 | 23.5814 |
| 1992 | 22.7482 |
| 1991 | 21.1691 |
| 1990 | 24.5485 |
| 1989 | 25.9319 |
| 1988 | 25.9594 |
| 1987 | 25.8316 |
| 1986 | 26.3461 |
| 1985 | 25.2253 |
| 1984 | 27.7881 |
| 1983 | 21.2491 |
| 1982 | 17.1368 |
| 1981 | 18.6257 |
| 1980 | 23.0499 |
| 1979 | 18.111 |
| 1978 | 20.0245 |
| 1977 | 20.9528 |
| 1976 | 20.2848 |
| 1975 | 16.7835 |
| 1974 | 20.091 |
| 1973 | 18.3372 |
| 1972 | 16.9044 |
| 1971 | 18.4461 |
| 1970 | - |
| 1969 | - |
| 1968 | - |
| 1967 | - |
| 1966 | - |
| 1965 | - |
| 1964 | - |
| 1963 | - |
| 1962 | - |
| 1961 | - |
| 1960 | - |