| 年份 | 贝宁 |
|---|---|
| 2023 | - |
| 2022 | 54.5044 |
| 2021 | 54.3456 |
| 2020 | 54.1985 |
| 2019 | 54.0725 |
| 2018 | 53.9623 |
| 2017 | 53.8768 |
| 2016 | 53.8121 |
| 2015 | 53.7484 |
| 2014 | 53.6483 |
| 2013 | 53.5269 |
| 2012 | 53.4128 |
| 2011 | 53.2836 |
| 2010 | 53.1326 |
| 2009 | 52.9339 |
| 2008 | 52.7449 |
| 2007 | 52.6175 |
| 2006 | 52.5379 |
| 2005 | 52.3975 |
| 2004 | 52.2109 |
| 2003 | 52.067 |
| 2002 | 51.9009 |
| 2001 | 51.7208 |
| 2000 | 51.5397 |
| 1999 | 51.3674 |
| 1998 | 51.2101 |
| 1997 | 51.0721 |
| 1996 | 50.9963 |
| 1995 | 51.0836 |
| 1994 | 51.4573 |
| 1993 | 51.2574 |
| 1992 | 50.7329 |
| 1991 | 50.7005 |
| 1990 | 50.6782 |
| 1989 | 50.6597 |
| 1988 | 50.6555 |
| 1987 | 50.6668 |
| 1986 | 50.6819 |
| 1985 | 50.7052 |
| 1984 | 50.7371 |
| 1983 | 50.7731 |
| 1982 | 50.8168 |
| 1981 | 50.8686 |
| 1980 | 50.9165 |
| 1979 | 50.9534 |
| 1978 | 50.9805 |
| 1977 | 51.0168 |
| 1976 | 51.077 |
| 1975 | 51.1721 |
| 1974 | 51.3068 |
| 1973 | 51.4728 |
| 1972 | 51.6709 |
| 1971 | 51.8978 |
| 1970 | 52.1457 |
| 1969 | 52.4125 |
| 1968 | 52.6985 |
| 1967 | 53 |
| 1966 | 53.3185 |
| 1965 | 53.6486 |
| 1964 | 54.1402 |
| 1963 | 54.6906 |
| 1962 | 55.0799 |
| 1961 | 55.3744 |
| 1960 | 55.5911 |