| 年份 | 贝宁 |
|---|---|
| 2023 | - |
| 2022 | 16.476 |
| 2021 | 16.6438 |
| 2020 | 16.783 |
| 2019 | 16.8963 |
| 2018 | 16.9765 |
| 2017 | 17.0155 |
| 2016 | 17.0279 |
| 2015 | 17.0352 |
| 2014 | 17.051 |
| 2013 | 17.083 |
| 2012 | 17.1469 |
| 2011 | 17.2518 |
| 2010 | 17.3707 |
| 2009 | 17.4838 |
| 2008 | 17.5911 |
| 2007 | 17.6651 |
| 2006 | 17.6817 |
| 2005 | 17.7004 |
| 2004 | 17.7523 |
| 2003 | 17.812 |
| 2002 | 17.9024 |
| 2001 | 18.0309 |
| 2000 | 18.19 |
| 1999 | 18.4094 |
| 1998 | 18.607 |
| 1997 | 18.7241 |
| 1996 | 18.8093 |
| 1995 | 18.8161 |
| 1994 | 18.6443 |
| 1993 | 18.698 |
| 1992 | 18.9459 |
| 1991 | 19.0075 |
| 1990 | 19.0593 |
| 1989 | 19.1139 |
| 1988 | 19.1553 |
| 1987 | 19.1802 |
| 1986 | 19.2044 |
| 1985 | 19.21 |
| 1984 | 19.1719 |
| 1983 | 19.0893 |
| 1982 | 18.9832 |
| 1981 | 18.866 |
| 1980 | 18.7536 |
| 1979 | 18.6716 |
| 1978 | 18.6329 |
| 1977 | 18.6166 |
| 1976 | 18.5999 |
| 1975 | 18.5797 |
| 1974 | 18.5559 |
| 1973 | 18.5325 |
| 1972 | 18.5041 |
| 1971 | 18.476 |
| 1970 | 18.4559 |
| 1969 | 18.4312 |
| 1968 | 18.3895 |
| 1967 | 18.3258 |
| 1966 | 18.2321 |
| 1965 | 18.0885 |
| 1964 | 17.8989 |
| 1963 | 17.6851 |
| 1962 | 17.4553 |
| 1961 | 17.2102 |
| 1960 | 16.9726 |