| 年份 | 喀麦隆 |
|---|---|
| 2023 | - |
| 2022 | 3.59913 |
| 2021 | 3.65218 |
| 2020 | 3.74567 |
| 2019 | 3.82305 |
| 2018 | 3.82838 |
| 2017 | 3.91172 |
| 2016 | 4.08733 |
| 2015 | 4.25672 |
| 2014 | 4.15896 |
| 2013 | 3.95165 |
| 2012 | 3.96811 |
| 2011 | 3.99781 |
| 2010 | 4.03157 |
| 2009 | 4.03909 |
| 2008 | 4.04383 |
| 2007 | 4.00023 |
| 2006 | 3.9516 |
| 2005 | 3.97902 |
| 2004 | 4.00831 |
| 2003 | 4.0047 |
| 2002 | 3.96957 |
| 2001 | 3.92903 |
| 2000 | 3.95781 |
| 1999 | 3.98474 |
| 1998 | 3.98944 |
| 1997 | 4.01925 |
| 1996 | 4.09416 |
| 1995 | 4.17512 |
| 1994 | 4.26411 |
| 1993 | 4.32614 |
| 1992 | 4.37185 |
| 1991 | 4.43924 |
| 1990 | 4.49187 |
| 1989 | 4.4896 |
| 1988 | 4.56468 |
| 1987 | 5.30361 |
| 1986 | 5.52979 |
| 1985 | 5.52672 |
| 1984 | 5.36137 |
| 1983 | 4.65336 |
| 1982 | 5.00586 |
| 1981 | 6.16183 |
| 1980 | 5.93392 |
| 1979 | 5.49391 |
| 1978 | 5.4334 |
| 1977 | 5.30365 |
| 1976 | 7.62943 |
| 1975 | 8.47812 |
| 1974 | 8.5757 |
| 1973 | 8.65569 |
| 1972 | 8.74723 |
| 1971 | 8.8024 |
| 1970 | 6.24157 |
| 1969 | 6.21422 |
| 1968 | 6.2105 |
| 1967 | 6.18969 |
| 1966 | 6.17181 |
| 1965 | 6.15385 |
| 1964 | 6.15566 |
| 1963 | 6.14201 |
| 1962 | 5.82932 |
| 1961 | 5.48128 |
| 1960 | - |