| 年份 | 贝宁 |
|---|---|
| 2023 | - |
| 2022 | 49.9037 |
| 2021 | 49.9133 |
| 2020 | 49.9271 |
| 2019 | 49.9438 |
| 2018 | 49.9632 |
| 2017 | 49.9843 |
| 2016 | 50.0069 |
| 2015 | 50.031 |
| 2014 | 50.0568 |
| 2013 | 50.0848 |
| 2012 | 50.1143 |
| 2011 | 50.1417 |
| 2010 | 50.165 |
| 2009 | 50.1886 |
| 2008 | 50.2138 |
| 2007 | 50.2455 |
| 2006 | 50.2821 |
| 2005 | 50.2936 |
| 2004 | 50.3044 |
| 2003 | 50.3389 |
| 2002 | 50.3728 |
| 2001 | 50.4057 |
| 2000 | 50.4356 |
| 1999 | 50.4668 |
| 1998 | 50.5015 |
| 1997 | 50.5436 |
| 1996 | 50.5925 |
| 1995 | 50.6383 |
| 1994 | 50.6741 |
| 1993 | 50.7171 |
| 1992 | 50.7615 |
| 1991 | 50.7912 |
| 1990 | 50.8202 |
| 1989 | 50.8487 |
| 1988 | 50.8767 |
| 1987 | 50.9008 |
| 1986 | 50.9214 |
| 1985 | 50.9416 |
| 1984 | 50.9585 |
| 1983 | 50.9748 |
| 1982 | 50.9962 |
| 1981 | 51.022 |
| 1980 | 51.0495 |
| 1979 | 51.0776 |
| 1978 | 51.1083 |
| 1977 | 51.1463 |
| 1976 | 51.1925 |
| 1975 | 51.2439 |
| 1974 | 51.2996 |
| 1973 | 51.3594 |
| 1972 | 51.4226 |
| 1971 | 51.489 |
| 1970 | 51.5581 |
| 1969 | 51.6307 |
| 1968 | 51.7029 |
| 1967 | 51.7752 |
| 1966 | 51.8509 |
| 1965 | 51.9297 |
| 1964 | 52.0127 |
| 1963 | 52.097 |
| 1962 | 52.1827 |
| 1961 | 52.2718 |
| 1960 | 52.3616 |