| 年份 | 喀麦隆 |
|---|---|
| 2023 | - |
| 2022 | - |
| 2021 | 0.227953 |
| 2020 | 0.234041 |
| 2019 | 0.240475 |
| 2018 | 0.247241 |
| 2017 | 0.254169 |
| 2016 | 0.261475 |
| 2015 | 0.269417 |
| 2014 | 0.278032 |
| 2013 | 0.286601 |
| 2012 | 0.294779 |
| 2011 | 0.303195 |
| 2010 | 0.311902 |
| 2009 | 0.308656 |
| 2008 | 0.317568 |
| 2007 | 0.326706 |
| 2006 | 0.335918 |
| 2005 | 0.345177 |
| 2004 | 0.354563 |
| 2003 | 0.36443 |
| 2002 | 0.374512 |
| 2001 | 0.384684 |
| 2000 | 0.394922 |
| 1999 | 0.40547 |
| 1998 | 0.416358 |
| 1997 | 0.42751 |
| 1996 | 0.439032 |
| 1995 | 0.451117 |
| 1994 | 0.463854 |
| 1993 | 0.477305 |
| 1992 | 0.4914 |
| 1991 | 0.505191 |
| 1990 | 0.519661 |
| 1989 | 0.535655 |
| 1988 | 0.552067 |
| 1987 | 0.568339 |
| 1986 | 0.586391 |
| 1985 | 0.6028 |
| 1984 | 0.621545 |
| 1983 | 0.639564 |
| 1982 | 0.653256 |
| 1981 | 0.669381 |
| 1980 | 0.693671 |
| 1979 | 0.715483 |
| 1978 | 0.703707 |
| 1977 | 0.726706 |
| 1976 | 0.737033 |
| 1975 | 0.750262 |
| 1974 | 0.764452 |
| 1973 | 0.778717 |
| 1972 | 0.800356 |
| 1971 | 0.82235 |
| 1970 | 0.836848 |
| 1969 | 0.85902 |
| 1968 | 0.873157 |
| 1967 | 0.887016 |
| 1966 | 0.900579 |
| 1965 | 0.91387 |
| 1964 | 0.926891 |
| 1963 | 0.939657 |
| 1962 | 0.95214 |
| 1961 | 0.961473 |
| 1960 | - |