| 年份 | 喀麦隆 |
|---|---|
| 2023 | - |
| 2022 | 5.33661 |
| 2021 | 2.87893 |
| 2020 | 0.705572 |
| 2019 | 1.16977 |
| 2018 | 1.89699 |
| 2017 | 1.02514 |
| 2016 | 0.661809 |
| 2015 | 0.309792 |
| 2014 | 2.01421 |
| 2013 | 3.05346 |
| 2012 | 1.94229 |
| 2011 | 2.58904 |
| 2010 | 0.688187 |
| 2009 | 3.60352 |
| 2008 | 4.94054 |
| 2007 | 0.490708 |
| 2006 | 2.29967 |
| 2005 | 1.35714 |
| 2004 | 0.139488 |
| 2003 | 1.95291 |
| 2002 | 2.77449 |
| 2001 | 2.46936 |
| 2000 | 1.53156 |
| 1999 | 2.18779 |
| 1998 | 1.06587 |
| 1997 | 6.16381 |
| 1996 | 0.410559 |
| 1995 | 6.63451 |
| 1994 | 5.88247 |
| 1993 | 55.7554 |
| 1992 | -1.27767 |
| 1991 | 3.56871 |
| 1990 | 1.6431 |
| 1989 | -1.81908 |
| 1988 | 0.813899 |
| 1987 | -2.39231 |
| 1986 | 0.179236 |
| 1985 | 11.1871 |
| 1984 | 13.5522 |
| 1983 | 12.7631 |
| 1982 | 12.482 |
| 1981 | 8.80019 |
| 1980 | 14.2459 |
| 1979 | 12.8528 |
| 1978 | 3.40981 |
| 1977 | 5.88477 |
| 1976 | 19.6744 |
| 1975 | 5.99007 |
| 1974 | 10.6561 |
| 1973 | 6.52953 |
| 1972 | 7.97638 |
| 1971 | 3.44012 |
| 1970 | 7.884 |
| 1969 | 5.30196 |
| 1968 | 5.75073 |
| 1967 | 23.6292 |
| 1966 | 0.188377 |
| 1965 | 2.75243 |
| 1964 | 4.42103 |
| 1963 | -0.264119 |
| 1962 | 3.10996 |
| 1961 | 5.06445 |
| 1960 | - |