| 年份 | 喀麦隆 |
|---|---|
| 2023 | - |
| 2022 | 4.65723 |
| 2021 | 4.57149 |
| 2020 | 4.49597 |
| 2019 | 4.4315 |
| 2018 | 4.37773 |
| 2017 | 4.33443 |
| 2016 | 4.2987 |
| 2015 | 4.26665 |
| 2014 | 4.23282 |
| 2013 | 4.19888 |
| 2012 | 4.16702 |
| 2011 | 4.13315 |
| 2010 | 4.09825 |
| 2009 | 4.06468 |
| 2008 | 4.03167 |
| 2007 | 3.99791 |
| 2006 | 3.96387 |
| 2005 | 3.93043 |
| 2004 | 3.89635 |
| 2003 | 3.8605 |
| 2002 | 3.82393 |
| 2001 | 3.78812 |
| 2000 | 3.75424 |
| 1999 | 3.7233 |
| 1998 | 3.69478 |
| 1997 | 3.66925 |
| 1996 | 3.65054 |
| 1995 | 3.64076 |
| 1994 | 3.62666 |
| 1993 | 3.62578 |
| 1992 | 3.66712 |
| 1991 | 3.73702 |
| 1990 | 3.82008 |
| 1989 | 3.92658 |
| 1988 | 4.03371 |
| 1987 | 4.10446 |
| 1986 | 4.15372 |
| 1985 | 4.19858 |
| 1984 | 4.24756 |
| 1983 | 4.3092 |
| 1982 | 4.38781 |
| 1981 | 4.46018 |
| 1980 | 4.51257 |
| 1979 | 4.56155 |
| 1978 | 4.60563 |
| 1977 | 4.64087 |
| 1976 | 4.67515 |
| 1975 | 4.71044 |
| 1974 | 4.74529 |
| 1973 | 4.77902 |
| 1972 | 4.81284 |
| 1971 | 4.84668 |
| 1970 | 4.87989 |
| 1969 | 4.91183 |
| 1968 | 4.94242 |
| 1967 | 4.97161 |
| 1966 | 4.999 |
| 1965 | 5.02414 |
| 1964 | 5.04708 |
| 1963 | 5.0635 |
| 1962 | 5.07279 |
| 1961 | 5.08246 |
| 1960 | 5.09249 |