| 年份 | 喀麦隆 |
|---|---|
| 2023 | - |
| 2022 | 3.5828 |
| 2021 | 3.33886 |
| 2020 | 0.259933 |
| 2019 | 3.47506 |
| 2018 | 3.95551 |
| 2017 | 3.54118 |
| 2016 | 4.53579 |
| 2015 | 5.66695 |
| 2014 | 5.71982 |
| 2013 | 4.99553 |
| 2012 | 4.62598 |
| 2011 | 3.37921 |
| 2010 | 2.89902 |
| 2009 | 2.57925 |
| 2008 | 2.84768 |
| 2007 | 4.32759 |
| 2006 | 3.80958 |
| 2005 | 2.22827 |
| 2004 | 7.04886 |
| 2003 | 5.45315 |
| 2002 | 4.47703 |
| 2001 | 4.32426 |
| 2000 | 3.83242 |
| 1999 | 4.5113 |
| 1998 | 4.72553 |
| 1997 | 4.52731 |
| 1996 | 4.21507 |
| 1995 | 2.894 |
| 1994 | 1.87681 |
| 1993 | -7.93207 |
| 1992 | -3.1 |
| 1991 | -3.8086 |
| 1990 | -6.1057 |
| 1989 | -1.81912 |
| 1988 | -7.82363 |
| 1987 | -2.14665 |
| 1986 | 6.77166 |
| 1985 | 8.06316 |
| 1984 | 7.47457 |
| 1983 | 6.86683 |
| 1982 | 7.5162 |
| 1981 | 17.0827 |
| 1980 | -1.96529 |
| 1979 | 6.03512 |
| 1978 | 22.003 |
| 1977 | 13.7399 |
| 1976 | -5.49514 |
| 1975 | 11.2451 |
| 1974 | 10.7343 |
| 1973 | 5.35568 |
| 1972 | 2.67384 |
| 1971 | 3.47971 |
| 1970 | 3.09207 |
| 1969 | 4.90148 |
| 1968 | 6.34632 |
| 1967 | -10.9121 |
| 1966 | 4.61496 |
| 1965 | 2.02605 |
| 1964 | 3.54716 |
| 1963 | 3.74255 |
| 1962 | 3.04156 |
| 1961 | 1.18368 |
| 1960 | - |