| 年份 | 喀麦隆 |
|---|---|
| 2023 | - |
| 2022 | 4.84113 |
| 2021 | 4.9239 |
| 2020 | 5.00932 |
| 2019 | 5.06921 |
| 2018 | 5.11361 |
| 2017 | 5.16341 |
| 2016 | 5.22074 |
| 2015 | 5.2912 |
| 2014 | 5.39103 |
| 2013 | 5.49287 |
| 2012 | 5.56097 |
| 2011 | 5.61628 |
| 2010 | 5.67198 |
| 2009 | 5.73368 |
| 2008 | 5.80219 |
| 2007 | 5.87722 |
| 2006 | 5.95574 |
| 2005 | 6.03647 |
| 2004 | 6.11998 |
| 2003 | 6.20254 |
| 2002 | 6.28559 |
| 2001 | 6.37035 |
| 2000 | 6.45463 |
| 1999 | 6.53822 |
| 1998 | 6.62224 |
| 1997 | 6.70866 |
| 1996 | 6.79451 |
| 1995 | 6.87456 |
| 1994 | 6.94813 |
| 1993 | 7.01586 |
| 1992 | 7.07664 |
| 1991 | 7.13096 |
| 1990 | 7.18159 |
| 1989 | 7.22855 |
| 1988 | 7.26942 |
| 1987 | 7.3094 |
| 1986 | 7.35166 |
| 1985 | 7.38976 |
| 1984 | 7.42154 |
| 1983 | 7.43511 |
| 1982 | 7.38877 |
| 1981 | 7.36767 |
| 1980 | 7.43287 |
| 1979 | 7.47664 |
| 1978 | 7.48185 |
| 1977 | 7.47711 |
| 1976 | 7.45619 |
| 1975 | 7.438 |
| 1974 | 7.42278 |
| 1973 | 7.39978 |
| 1972 | 7.36981 |
| 1971 | 7.33418 |
| 1970 | 7.29433 |
| 1969 | 7.25004 |
| 1968 | 7.20068 |
| 1967 | 7.14735 |
| 1966 | 7.09058 |
| 1965 | 7.03061 |
| 1964 | 6.96113 |
| 1963 | 6.88869 |
| 1962 | 6.82552 |
| 1961 | 6.76261 |
| 1960 | 6.69496 |