| 年份 | 喀麦隆 |
|---|---|
| 2023 | - |
| 2022 | - |
| 2021 | 4.463 |
| 2020 | 4.543 |
| 2019 | 4.623 |
| 2018 | 4.694 |
| 2017 | 4.774 |
| 2016 | 4.818 |
| 2015 | 4.832 |
| 2014 | 4.855 |
| 2013 | 4.914 |
| 2012 | 4.989 |
| 2011 | 5.058 |
| 2010 | 5.16 |
| 2009 | 5.227 |
| 2008 | 5.278 |
| 2007 | 5.331 |
| 2006 | 5.354 |
| 2005 | 5.407 |
| 2004 | 5.45 |
| 2003 | 5.463 |
| 2002 | 5.458 |
| 2001 | 5.443 |
| 2000 | 5.53 |
| 1999 | 5.629 |
| 1998 | 5.668 |
| 1997 | 5.723 |
| 1996 | 5.828 |
| 1995 | 5.955 |
| 1994 | 6.082 |
| 1993 | 6.194 |
| 1992 | 6.29 |
| 1991 | 6.347 |
| 1990 | 6.392 |
| 1989 | 6.437 |
| 1988 | 6.5 |
| 1987 | 6.563 |
| 1986 | 6.588 |
| 1985 | 6.584 |
| 1984 | 6.585 |
| 1983 | 6.605 |
| 1982 | 6.617 |
| 1981 | 6.636 |
| 1980 | 6.658 |
| 1979 | 6.613 |
| 1978 | 6.562 |
| 1977 | 6.52 |
| 1976 | 6.449 |
| 1975 | 6.393 |
| 1974 | 6.337 |
| 1973 | 6.305 |
| 1972 | 6.282 |
| 1971 | 6.255 |
| 1970 | 6.198 |
| 1969 | 6.143 |
| 1968 | 6.108 |
| 1967 | 6.058 |
| 1966 | 6.004 |
| 1965 | 5.949 |
| 1964 | 5.89 |
| 1963 | 5.828 |
| 1962 | 5.766 |
| 1961 | 5.705 |
| 1960 | 5.647 |