| 年份 | 贝宁 |
|---|---|
| 2023 | - |
| 2022 | 3.47994 |
| 2021 | 8.51725 |
| 2020 | 14.4411 |
| 2019 | 5.8258 |
| 2018 | 6 |
| 2017 | 6.97044 |
| 2016 | -6.25622 |
| 2015 | 13.5699 |
| 2014 | -2.28746 |
| 2013 | 7.89682 |
| 2012 | 4.7669 |
| 2011 | 3.34735 |
| 2010 | 1.2119 |
| 2009 | 9.77972 |
| 2008 | 14.6591 |
| 2007 | 4.07126 |
| 2006 | 9.23137 |
| 2005 | 4.27301 |
| 2004 | 6.19475 |
| 2003 | 14.808 |
| 2002 | 3.28121 |
| 2001 | 10.3266 |
| 2000 | 5.30767 |
| 1999 | 2.17041 |
| 1998 | 5.18815 |
| 1997 | 3.98058 |
| 1996 | 2.27229 |
| 1995 | 3.06457 |
| 1994 | 4.30021 |
| 1993 | 0.0177732 |
| 1992 | -0.627412 |
| 1991 | -4.10637 |
| 1990 | 57.3646 |
| 1989 | -1.73272 |
| 1988 | -19.5965 |
| 1987 | -1.56028 |
| 1986 | -2.35458 |
| 1985 | 13.8802 |
| 1984 | 1.60255 |
| 1983 | 33.3333 |
| 1982 | -22.7333 |
| 1981 | 9.09494 |
| 1980 | 17.4907 |
| 1979 | 7.9175 |
| 1978 | -0.0575141 |
| 1977 | -13.5349 |
| 1976 | -9.14416 |
| 1975 | -3.89612 |
| 1974 | -6.36405 |
| 1973 | 5.33738 |
| 1972 | 8.87954 |
| 1971 | 0.466472 |
| 1970 | 11.2647 |
| 1969 | 2.15826 |
| 1968 | 1.45972 |
| 1967 | 13.2231 |
| 1966 | -3.96809 |
| 1965 | 1.61741 |
| 1964 | -8.14805 |
| 1963 | 3.05336 |
| 1962 | 3.14956 |
| 1961 | 3.25221 |
| 1960 | - |