| 年份 | 喀麦隆 |
|---|---|
| 2023 | - |
| 2022 | - |
| 2021 | 8.582 |
| 2020 | 8.419 |
| 2019 | 8.16 |
| 2018 | 8.379 |
| 2017 | 8.594 |
| 2016 | 8.886 |
| 2015 | 9.179 |
| 2014 | 9.548 |
| 2013 | 9.833 |
| 2012 | 10.235 |
| 2011 | 10.641 |
| 2010 | 10.992 |
| 2009 | 11.3 |
| 2008 | 11.583 |
| 2007 | 11.886 |
| 2006 | 12.104 |
| 2005 | 12.408 |
| 2004 | 12.565 |
| 2003 | 12.758 |
| 2002 | 13.036 |
| 2001 | 13.237 |
| 2000 | 13.426 |
| 1999 | 13.614 |
| 1998 | 13.723 |
| 1997 | 13.713 |
| 1996 | 13.756 |
| 1995 | 13.64 |
| 1994 | 13.561 |
| 1993 | 13.356 |
| 1992 | 13.199 |
| 1991 | 13.153 |
| 1990 | 13.09 |
| 1989 | 13.11 |
| 1988 | 13.204 |
| 1987 | 13.408 |
| 1986 | 13.867 |
| 1985 | 14.038 |
| 1984 | 14.528 |
| 1983 | 14.935 |
| 1982 | 15.412 |
| 1981 | 15.807 |
| 1980 | 16.157 |
| 1979 | 16.472 |
| 1978 | 16.677 |
| 1977 | 16.859 |
| 1976 | 16.926 |
| 1975 | 17.03 |
| 1974 | 17.144 |
| 1973 | 17.331 |
| 1972 | 17.642 |
| 1971 | 18.112 |
| 1970 | 18.599 |
| 1969 | 19.165 |
| 1968 | 19.802 |
| 1967 | 20.413 |
| 1966 | 20.973 |
| 1965 | 21.384 |
| 1964 | 21.794 |
| 1963 | 22.049 |
| 1962 | 22.284 |
| 1961 | 28.151 |
| 1960 | 28.64 |