| 年份 | 喀麦隆 |
|---|---|
| 2023 | - |
| 2022 | 4.18525 |
| 2021 | 3.04227 |
| 2020 | 1.09755 |
| 2019 | 3.77664 |
| 2018 | 4.57551 |
| 2017 | 0.058653 |
| 2016 | 3.03894 |
| 2015 | 5.24092 |
| 2014 | 4.57224 |
| 2013 | 5.75162 |
| 2012 | 5.97369 |
| 2011 | 5.64618 |
| 2010 | 6.89519 |
| 2009 | 6.70771 |
| 2008 | 10.0451 |
| 2007 | 12.844 |
| 2006 | 4.12291 |
| 2005 | 3.09229 |
| 2004 | 4.27827 |
| 2003 | 7.92648 |
| 2002 | -0.187328 |
| 2001 | 9.38865 |
| 2000 | 3.44916 |
| 1999 | 3.92678 |
| 1998 | 6.65383 |
| 1997 | 1.25749 |
| 1996 | 9.25445 |
| 1995 | 4.50543 |
| 1994 | -2.04197 |
| 1993 | -4.97784 |
| 1992 | -16.8 |
| 1991 | 9.2 |
| 1990 | 13 |
| 1989 | -2.5 |
| 1988 | -13.3 |
| 1987 | 1.8 |
| 1986 | 27.8 |
| 1985 | 7.4 |
| 1984 | 7.7 |
| 1983 | 13.5 |
| 1982 | 7.6 |
| 1981 | 7 |
| 1980 | 5.62891 |
| 1979 | 5.82525 |
| 1978 | 15.295 |
| 1977 | -13.0436 |
| 1976 | 12.0342 |
| 1975 | -4.90421 |
| 1974 | 15.0469 |
| 1973 | 9.05991 |
| 1972 | 14.7058 |
| 1971 | -2.29891 |
| 1970 | -3.86734 |
| 1969 | 14.0756 |
| 1968 | 5.07722 |
| 1967 | -0.81373 |
| 1966 | 7.0258 |
| 1965 | 18.1685 |
| 1964 | 2.25988 |
| 1963 | 5.67165 |
| 1962 | 5.34589 |
| 1961 | 3.24675 |
| 1960 | - |