| 年份 | 贝宁 |
|---|---|
| 2023 | - |
| 2022 | 109.607 |
| 2021 | 104.52 |
| 2020 | 103.003 |
| 2019 | 99.6078 |
| 2018 | 101.226 |
| 2017 | 100.226 |
| 2016 | 99.623 |
| 2015 | 99.9999 |
| 2014 | 100.104 |
| 2013 | 99.7195 |
| 2012 | 99.3122 |
| 2011 | 92.5465 |
| 2010 | 89.8142 |
| 2009 | 89.2321 |
| 2008 | 87.8049 |
| 2007 | 82.6698 |
| 2006 | 81.8209 |
| 2005 | 80.0932 |
| 2004 | 75.3247 |
| 2003 | 75.9044 |
| 2002 | 74.1263 |
| 2001 | 72.4802 |
| 2000 | 70.7101 |
| 1999 | 68.938 |
| 1998 | 45.6886 |
| 1997 | 42.9037 |
| 1996 | 41.3112 |
| 1995 | 39.5711 |
| 1994 | 34.7041 |
| 1993 | 24.9622 |
| 1992 | 24.0652 |
| 1991 | 23.3668 |
| 1990 | 23.4483 |
| 1989 | 23.1284 |
| 1988 | 22.6498 |
| 1987 | 22.9944 |
| 1986 | 22.1121 |
| 1985 | 22.3738 |
| 1984 | 23.073 |
| 1983 | 22.5727 |
| 1982 | 21.3702 |
| 1981 | 18.1651 |
| 1980 | 16.0312 |
| 1979 | 14.8529 |
| 1978 | 13.3247 |
| 1977 | 11.9506 |
| 1976 | 11.4423 |
| 1975 | 9.90177 |
| 1974 | 8.65098 |
| 1973 | 7.20769 |
| 1972 | 7.01894 |
| 1971 | 6.57888 |
| 1970 | 6.56951 |
| 1969 | 6.29045 |
| 1968 | 5.9652 |
| 1967 | 5.883 |
| 1966 | 5.98641 |
| 1965 | 6.05851 |
| 1964 | 5.95063 |
| 1963 | 5.91693 |
| 1962 | 5.83605 |
| 1961 | 5.6873 |
| 1960 | 5.59304 |