| 年份 | 喀麦隆 |
|---|---|
| 2023 | - |
| 2022 | 2.66846 |
| 2021 | 2.70164 |
| 2020 | 2.73698 |
| 2019 | 2.75935 |
| 2018 | 2.77459 |
| 2017 | 2.79549 |
| 2016 | 2.82144 |
| 2015 | 2.85155 |
| 2014 | 2.89222 |
| 2013 | 2.93513 |
| 2012 | 2.96597 |
| 2011 | 2.99112 |
| 2010 | 3.01625 |
| 2009 | 3.04335 |
| 2008 | 3.07266 |
| 2007 | 3.10401 |
| 2006 | 3.13674 |
| 2005 | 3.17041 |
| 2004 | 3.20408 |
| 2003 | 3.23535 |
| 2002 | 3.26415 |
| 2001 | 3.29195 |
| 2000 | 3.32011 |
| 1999 | 3.34896 |
| 1998 | 3.3771 |
| 1997 | 3.40391 |
| 1996 | 3.43027 |
| 1995 | 3.45714 |
| 1994 | 3.48446 |
| 1993 | 3.51172 |
| 1992 | 3.53852 |
| 1991 | 3.56532 |
| 1990 | 3.5924 |
| 1989 | 3.61933 |
| 1988 | 3.64563 |
| 1987 | 3.67207 |
| 1986 | 3.69899 |
| 1985 | 3.72388 |
| 1984 | 3.746 |
| 1983 | 3.76479 |
| 1982 | 3.77574 |
| 1981 | 3.79233 |
| 1980 | 3.82156 |
| 1979 | 3.8449 |
| 1978 | 3.86009 |
| 1977 | 3.87261 |
| 1976 | 3.88148 |
| 1975 | 3.88963 |
| 1974 | 3.89741 |
| 1973 | 3.90305 |
| 1972 | 3.90677 |
| 1971 | 3.90912 |
| 1970 | 3.91043 |
| 1969 | 3.90985 |
| 1968 | 3.90716 |
| 1967 | 3.90288 |
| 1966 | 3.89672 |
| 1965 | 3.88841 |
| 1964 | 3.87814 |
| 1963 | 3.86558 |
| 1962 | 3.8503 |
| 1961 | 3.83672 |
| 1960 | 3.82481 |