| 年份 | 喀麦隆 |
|---|---|
| 2023 | - |
| 2022 | 1.19046 |
| 2021 | 1.24065 |
| 2020 | 1.32658 |
| 2019 | 1.40395 |
| 2018 | 1.40457 |
| 2017 | 1.49061 |
| 2016 | 1.6602 |
| 2015 | 1.83094 |
| 2014 | 1.73383 |
| 2013 | 1.52647 |
| 2012 | 1.54218 |
| 2011 | 1.57444 |
| 2010 | 1.61001 |
| 2009 | 1.62264 |
| 2008 | 1.6278 |
| 2007 | 1.58792 |
| 2006 | 1.54227 |
| 2005 | 1.57201 |
| 2004 | 1.5949 |
| 2003 | 1.59622 |
| 2002 | 1.56131 |
| 2001 | 1.52437 |
| 2000 | 1.54391 |
| 1999 | 1.57305 |
| 1998 | 1.58337 |
| 1997 | 1.61406 |
| 1996 | 1.68102 |
| 1995 | 1.76566 |
| 1994 | 1.85351 |
| 1993 | 1.92207 |
| 1992 | 1.95712 |
| 1991 | 2.02978 |
| 1990 | 2.08297 |
| 1989 | 2.08481 |
| 1988 | 2.15081 |
| 1987 | 1.81883 |
| 1986 | 1.68899 |
| 1985 | 1.68862 |
| 1984 | 1.51506 |
| 1983 | 0.809813 |
| 1982 | 1.16323 |
| 1981 | 2.32283 |
| 1980 | 2.08755 |
| 1979 | 1.65236 |
| 1978 | 1.59043 |
| 1977 | 1.46753 |
| 1976 | 0.751135 |
| 1975 | 0.720445 |
| 1974 | 0.819411 |
| 1973 | 0.911678 |
| 1972 | 0.983391 |
| 1971 | 1.04514 |
| 1970 | 1.71197 |
| 1969 | 1.69341 |
| 1968 | 1.67296 |
| 1967 | 1.65581 |
| 1966 | 1.64295 |
| 1965 | 1.63181 |
| 1964 | 1.62015 |
| 1963 | 1.60909 |
| 1962 | 1.30163 |
| 1961 | 0.961697 |
| 1960 | - |