| 年份 | 贝宁 |
|---|---|
| 2023 | - |
| 2022 | 11.897 |
| 2021 | 11.9151 |
| 2020 | 11.9453 |
| 2019 | 11.9763 |
| 2018 | 12.0097 |
| 2017 | 12.0241 |
| 2016 | 12.0064 |
| 2015 | 11.9826 |
| 2014 | 11.9706 |
| 2013 | 11.9628 |
| 2012 | 11.9717 |
| 2011 | 12.0098 |
| 2010 | 12.0735 |
| 2009 | 12.1811 |
| 2008 | 12.2742 |
| 2007 | 12.3111 |
| 2006 | 12.3288 |
| 2005 | 12.3488 |
| 2004 | 12.3163 |
| 2003 | 12.274 |
| 2002 | 12.2931 |
| 2001 | 12.3094 |
| 2000 | 12.3198 |
| 1999 | 12.3331 |
| 1998 | 12.3373 |
| 1997 | 12.327 |
| 1996 | 12.3036 |
| 1995 | 12.2408 |
| 1994 | 12.1188 |
| 1993 | 12.1292 |
| 1992 | 12.1827 |
| 1991 | 12.1019 |
| 1990 | 12.0302 |
| 1989 | 11.9836 |
| 1988 | 11.9675 |
| 1987 | 11.9661 |
| 1986 | 11.9623 |
| 1985 | 11.9541 |
| 1984 | 11.9425 |
| 1983 | 11.9293 |
| 1982 | 11.9111 |
| 1981 | 11.8932 |
| 1980 | 11.8801 |
| 1979 | 11.8623 |
| 1978 | 11.8299 |
| 1977 | 11.7812 |
| 1976 | 11.7121 |
| 1975 | 11.6079 |
| 1974 | 11.472 |
| 1973 | 11.3209 |
| 1972 | 11.162 |
| 1971 | 10.9982 |
| 1970 | 10.8449 |
| 1969 | 10.7094 |
| 1968 | 10.585 |
| 1967 | 10.4726 |
| 1966 | 10.3738 |
| 1965 | 10.2931 |
| 1964 | 10.1377 |
| 1963 | 9.99836 |
| 1962 | 10.015 |
| 1961 | 10.1185 |
| 1960 | 10.2671 |