| 年份 | 喀麦隆 |
|---|---|
| 2023 | - |
| 2022 | 0.431289 |
| 2021 | 0.444138 |
| 2020 | 0.456027 |
| 2019 | 0.462367 |
| 2018 | 0.464737 |
| 2017 | 0.467049 |
| 2016 | 0.469605 |
| 2015 | 0.472192 |
| 2014 | 0.474209 |
| 2013 | 0.476058 |
| 2012 | 0.478457 |
| 2011 | 0.481035 |
| 2010 | 0.48375 |
| 2009 | 0.486406 |
| 2008 | 0.488892 |
| 2007 | 0.491105 |
| 2006 | 0.493185 |
| 2005 | 0.495118 |
| 2004 | 0.496704 |
| 2003 | 0.49787 |
| 2002 | 0.498416 |
| 2001 | 0.498384 |
| 2000 | 0.498053 |
| 1999 | 0.49745 |
| 1998 | 0.496894 |
| 1997 | 0.496433 |
| 1996 | 0.495845 |
| 1995 | 0.495371 |
| 1994 | 0.49508 |
| 1993 | 0.494843 |
| 1992 | 0.494733 |
| 1991 | 0.494852 |
| 1990 | 0.494977 |
| 1989 | 0.495035 |
| 1988 | 0.495207 |
| 1987 | 0.495346 |
| 1986 | 0.495187 |
| 1985 | 0.494509 |
| 1984 | 0.493453 |
| 1983 | 0.492427 |
| 1982 | 0.49379 |
| 1981 | 0.495286 |
| 1980 | 0.492935 |
| 1979 | 0.489903 |
| 1978 | 0.487272 |
| 1977 | 0.484509 |
| 1976 | 0.482065 |
| 1975 | 0.479151 |
| 1974 | 0.47582 |
| 1973 | 0.472236 |
| 1972 | 0.468485 |
| 1971 | 0.464873 |
| 1970 | 0.461553 |
| 1969 | 0.458277 |
| 1968 | 0.45474 |
| 1967 | 0.450987 |
| 1966 | 0.44704 |
| 1965 | 0.442926 |
| 1964 | 0.438606 |
| 1963 | 0.433866 |
| 1962 | 0.428727 |
| 1961 | 0.423319 |
| 1960 | 0.417617 |