| 年份 | 喀麦隆 |
|---|---|
| 2023 | - |
| 2022 | 2.78858 |
| 2021 | 2.75874 |
| 2020 | 2.72739 |
| 2019 | 2.69431 |
| 2018 | 2.66037 |
| 2017 | 2.62692 |
| 2016 | 2.59375 |
| 2015 | 2.56115 |
| 2014 | 2.52898 |
| 2013 | 2.49737 |
| 2012 | 2.4677 |
| 2011 | 2.44061 |
| 2010 | 2.41598 |
| 2009 | 2.39361 |
| 2008 | 2.37348 |
| 2007 | 2.35621 |
| 2006 | 2.3436 |
| 2005 | 2.33657 |
| 2004 | 2.31954 |
| 2003 | 2.30581 |
| 2002 | 2.32241 |
| 2001 | 2.35843 |
| 2000 | 2.40274 |
| 1999 | 2.47002 |
| 1998 | 2.54043 |
| 1997 | 2.57758 |
| 1996 | 2.59387 |
| 1995 | 2.60351 |
| 1994 | 2.61418 |
| 1993 | 2.63109 |
| 1992 | 2.6553 |
| 1991 | 2.68418 |
| 1990 | 2.71541 |
| 1989 | 2.74827 |
| 1988 | 2.7801 |
| 1987 | 2.80995 |
| 1986 | 2.84105 |
| 1985 | 2.87452 |
| 1984 | 2.90846 |
| 1983 | 2.94146 |
| 1982 | 2.973 |
| 1981 | 3.00565 |
| 1980 | 3.04203 |
| 1979 | 3.07781 |
| 1978 | 3.11078 |
| 1977 | 3.14204 |
| 1976 | 3.17184 |
| 1975 | 3.20163 |
| 1974 | 3.23193 |
| 1973 | 3.26255 |
| 1972 | 3.29324 |
| 1971 | 3.32313 |
| 1970 | 3.3514 |
| 1969 | 3.37753 |
| 1968 | 3.40197 |
| 1967 | 3.42513 |
| 1966 | 3.44721 |
| 1965 | 3.46836 |
| 1964 | 3.48894 |
| 1963 | 3.50878 |
| 1962 | 3.52688 |
| 1961 | 3.54715 |
| 1960 | 3.56834 |