| 年份 | 喀麦隆 |
|---|---|
| 2023 | - |
| 2022 | 0.428306 |
| 2021 | 0.436516 |
| 2020 | 0.442576 |
| 2019 | 0.44458 |
| 2018 | 0.444812 |
| 2017 | 0.446477 |
| 2016 | 0.449207 |
| 2015 | 0.452645 |
| 2014 | 0.456434 |
| 2013 | 0.459886 |
| 2012 | 0.46288 |
| 2011 | 0.466268 |
| 2010 | 0.470515 |
| 2009 | 0.475229 |
| 2008 | 0.480007 |
| 2007 | 0.484991 |
| 2006 | 0.490188 |
| 2005 | 0.49555 |
| 2004 | 0.50104 |
| 2003 | 0.506436 |
| 2002 | 0.511553 |
| 2001 | 0.516397 |
| 2000 | 0.521085 |
| 1999 | 0.525731 |
| 1998 | 0.530237 |
| 1997 | 0.534441 |
| 1996 | 0.538333 |
| 1995 | 0.542023 |
| 1994 | 0.545551 |
| 1993 | 0.548973 |
| 1992 | 0.552358 |
| 1991 | 0.555732 |
| 1990 | 0.559153 |
| 1989 | 0.562611 |
| 1988 | 0.566034 |
| 1987 | 0.569449 |
| 1986 | 0.572827 |
| 1985 | 0.575701 |
| 1984 | 0.577892 |
| 1983 | 0.579355 |
| 1982 | 0.579787 |
| 1981 | 0.581101 |
| 1980 | 0.584125 |
| 1979 | 0.586586 |
| 1978 | 0.588155 |
| 1977 | 0.589412 |
| 1976 | 0.590113 |
| 1975 | 0.590528 |
| 1974 | 0.59055 |
| 1973 | 0.589995 |
| 1972 | 0.588968 |
| 1971 | 0.587462 |
| 1970 | 0.585563 |
| 1969 | 0.5832 |
| 1968 | 0.580411 |
| 1967 | 0.577292 |
| 1966 | 0.57372 |
| 1965 | 0.569657 |
| 1964 | 0.565067 |
| 1963 | 0.559924 |
| 1962 | 0.554386 |
| 1961 | 0.551461 |
| 1960 | 0.55134 |