| 年份 | 喀麦隆 |
|---|---|
| 2023 | - |
| 2022 | 12.4847 |
| 2021 | 12.4957 |
| 2020 | 12.4876 |
| 2019 | 12.4745 |
| 2018 | 12.4613 |
| 2017 | 12.4322 |
| 2016 | 12.3918 |
| 2015 | 12.3613 |
| 2014 | 12.351 |
| 2013 | 12.3298 |
| 2012 | 12.2967 |
| 2011 | 12.2972 |
| 2010 | 12.3346 |
| 2009 | 12.4 |
| 2008 | 12.5016 |
| 2007 | 12.6419 |
| 2006 | 12.7904 |
| 2005 | 12.9221 |
| 2004 | 13.034 |
| 2003 | 13.1313 |
| 2002 | 13.2167 |
| 2001 | 13.2784 |
| 2000 | 13.3025 |
| 1999 | 13.2952 |
| 1998 | 13.2666 |
| 1997 | 13.2349 |
| 1996 | 13.2 |
| 1995 | 13.149 |
| 1994 | 13.092 |
| 1993 | 13.0229 |
| 1992 | 12.915 |
| 1991 | 12.787 |
| 1990 | 12.6853 |
| 1989 | 12.6105 |
| 1988 | 12.5574 |
| 1987 | 12.531 |
| 1986 | 12.5265 |
| 1985 | 12.532 |
| 1984 | 12.5302 |
| 1983 | 12.4968 |
| 1982 | 12.3846 |
| 1981 | 12.2987 |
| 1980 | 12.3131 |
| 1979 | 12.2956 |
| 1978 | 12.2264 |
| 1977 | 12.1402 |
| 1976 | 12.0317 |
| 1975 | 11.9279 |
| 1974 | 11.8304 |
| 1973 | 11.7256 |
| 1972 | 11.6163 |
| 1971 | 11.5058 |
| 1970 | 11.3929 |
| 1969 | 11.2772 |
| 1968 | 11.161 |
| 1967 | 11.0484 |
| 1966 | 10.9478 |
| 1965 | 10.8643 |
| 1964 | 10.7301 |
| 1963 | 10.6082 |
| 1962 | 10.6193 |
| 1961 | 10.6571 |
| 1960 | 10.6685 |