| 年份 | 喀麦隆 |
|---|---|
| 2023 | - |
| 2022 | 81.42 |
| 2021 | 82.2561 |
| 2020 | 83.0233 |
| 2019 | 83.7102 |
| 2018 | 84.301 |
| 2017 | 84.7046 |
| 2016 | 85.0384 |
| 2015 | 85.5557 |
| 2014 | 86.3976 |
| 2013 | 87.1421 |
| 2012 | 87.4926 |
| 2011 | 87.7656 |
| 2010 | 88.0478 |
| 2009 | 88.4005 |
| 2008 | 88.8327 |
| 2007 | 89.343 |
| 2006 | 89.8704 |
| 2005 | 90.4002 |
| 2004 | 91.0055 |
| 2003 | 91.7117 |
| 2002 | 92.5642 |
| 2001 | 93.5129 |
| 2000 | 94.4098 |
| 1999 | 95.2318 |
| 1998 | 96.0921 |
| 1997 | 97.0869 |
| 1996 | 98.0747 |
| 1995 | 98.8512 |
| 1994 | 99.4036 |
| 1993 | 99.7843 |
| 1992 | 99.9889 |
| 1991 | 100.009 |
| 1990 | 99.9106 |
| 1989 | 99.7203 |
| 1988 | 99.4011 |
| 1987 | 99.0542 |
| 1986 | 98.748 |
| 1985 | 98.4422 |
| 1984 | 98.119 |
| 1983 | 97.4907 |
| 1982 | 95.691 |
| 1981 | 94.2786 |
| 1980 | 94.4981 |
| 1979 | 94.4559 |
| 1978 | 93.8257 |
| 1977 | 93.0772 |
| 1976 | 92.0966 |
| 1975 | 91.2266 |
| 1974 | 90.4541 |
| 1973 | 89.5898 |
| 1972 | 88.6423 |
| 1971 | 87.6171 |
| 1970 | 86.535 |
| 1969 | 85.4297 |
| 1968 | 84.2945 |
| 1967 | 83.1306 |
| 1966 | 81.9632 |
| 1965 | 80.8093 |
| 1964 | 79.497 |
| 1963 | 78.2057 |
| 1962 | 77.2723 |
| 1961 | 76.2603 |
| 1960 | 75.0402 |