| 年份 | 贝宁 |
|---|---|
| 2023 | - |
| 2022 | 49.534 |
| 2021 | 48.972 |
| 2020 | 48.415 |
| 2019 | 47.861 |
| 2018 | 47.312 |
| 2017 | 46.768 |
| 2016 | 46.229 |
| 2015 | 45.695 |
| 2014 | 45.166 |
| 2013 | 44.642 |
| 2012 | 44.125 |
| 2011 | 43.608 |
| 2010 | 43.093 |
| 2009 | 42.58 |
| 2008 | 42.069 |
| 2007 | 41.558 |
| 2006 | 41.049 |
| 2005 | 40.543 |
| 2004 | 40.039 |
| 2003 | 39.536 |
| 2002 | 39.036 |
| 2001 | 38.65 |
| 2000 | 38.333 |
| 1999 | 38.015 |
| 1998 | 37.699 |
| 1997 | 37.385 |
| 1996 | 37.071 |
| 1995 | 36.758 |
| 1994 | 36.447 |
| 1993 | 36.136 |
| 1992 | 35.827 |
| 1991 | 35.247 |
| 1990 | 34.485 |
| 1989 | 33.73 |
| 1988 | 32.985 |
| 1987 | 32.246 |
| 1986 | 31.517 |
| 1985 | 30.796 |
| 1984 | 30.086 |
| 1983 | 29.384 |
| 1982 | 28.692 |
| 1981 | 28.01 |
| 1980 | 27.339 |
| 1979 | 26.676 |
| 1978 | 25.552 |
| 1977 | 24.293 |
| 1976 | 23.079 |
| 1975 | 21.904 |
| 1974 | 20.775 |
| 1973 | 19.689 |
| 1972 | 18.648 |
| 1971 | 17.647 |
| 1970 | 16.691 |
| 1969 | 15.776 |
| 1968 | 14.903 |
| 1967 | 14.069 |
| 1966 | 13.275 |
| 1965 | 12.519 |
| 1964 | 11.801 |
| 1963 | 11.118 |
| 1962 | 10.47 |
| 1961 | 9.856 |
| 1960 | 9.275 |