| 年份 | 贝宁  | 
                                                            
|---|---|
| 2023 | - | 
| 2022 | 16.0721 | 
| 2021 | 16.2352 | 
| 2020 | 16.3683 | 
| 2019 | 16.4719 | 
| 2018 | 16.5392 | 
| 2017 | 16.5638 | 
| 2016 | 16.5614 | 
| 2015 | 16.5524 | 
| 2014 | 16.5481 | 
| 2013 | 16.5564 | 
| 2012 | 16.5934 | 
| 2011 | 16.6676 | 
| 2010 | 16.7531 | 
| 2009 | 16.8299 | 
| 2008 | 16.9018 | 
| 2007 | 16.9418 | 
| 2006 | 16.9244 | 
| 2005 | 16.9251 | 
| 2004 | 16.9569 | 
| 2003 | 16.9776 | 
| 2002 | 17.0258 | 
| 2001 | 17.1121 | 
| 2000 | 17.2344 | 
| 1999 | 17.4181 | 
| 1998 | 17.5803 | 
| 1997 | 17.6604 | 
| 1996 | 17.7052 | 
| 1995 | 17.6823 | 
| 1994 | 17.5072 | 
| 1993 | 17.5424 | 
| 1992 | 17.7618 | 
| 1991 | 17.8223 | 
| 1990 | 17.8736 | 
| 1989 | 17.9253 | 
| 1988 | 17.9625 | 
| 1987 | 17.9843 | 
| 1986 | 18.0085 | 
| 1985 | 18.0166 | 
| 1984 | 17.9867 | 
| 1983 | 17.9153 | 
| 1982 | 17.8201 | 
| 1981 | 17.7146 | 
| 1980 | 17.6149 | 
| 1979 | 17.5425 | 
| 1978 | 17.5051 | 
| 1977 | 17.4824 | 
| 1976 | 17.453 | 
| 1975 | 17.4152 | 
| 1974 | 17.3688 | 
| 1973 | 17.3178 | 
| 1972 | 17.2592 | 
| 1971 | 17.197 | 
| 1970 | 17.1387 | 
| 1969 | 17.0755 | 
| 1968 | 16.998 | 
| 1967 | 16.8994 | 
| 1966 | 16.7703 | 
| 1965 | 16.5932 | 
| 1964 | 16.3727 | 
| 1963 | 16.1296 | 
| 1962 | 15.8713 | 
| 1961 | 15.5997 | 
| 1960 | 15.3365 |