| 年份 | 喀麦隆 |
|---|---|
| 2023 | - |
| 2022 | 1.6293 |
| 2021 | 1.61292 |
| 2020 | 1.59752 |
| 2019 | 1.58107 |
| 2018 | 1.56495 |
| 2017 | 1.55113 |
| 2016 | 1.5413 |
| 2015 | 1.536 |
| 2014 | 1.52956 |
| 2013 | 1.52797 |
| 2012 | 1.54272 |
| 2011 | 1.56957 |
| 2010 | 1.60272 |
| 2009 | 1.64708 |
| 2008 | 1.692 |
| 2007 | 1.72129 |
| 2006 | 1.7411 |
| 2005 | 1.75907 |
| 2004 | 1.77928 |
| 2003 | 1.80391 |
| 2002 | 1.83244 |
| 2001 | 1.86091 |
| 2000 | 1.88664 |
| 1999 | 1.9099 |
| 1998 | 1.92954 |
| 1997 | 1.94537 |
| 1996 | 1.96102 |
| 1995 | 1.97907 |
| 1994 | 1.99858 |
| 1993 | 2.01826 |
| 1992 | 2.0382 |
| 1991 | 2.05886 |
| 1990 | 2.08079 |
| 1989 | 2.10368 |
| 1988 | 2.12672 |
| 1987 | 2.15045 |
| 1986 | 2.17515 |
| 1985 | 2.19923 |
| 1984 | 2.22191 |
| 1983 | 2.23922 |
| 1982 | 2.24449 |
| 1981 | 2.25303 |
| 1980 | 2.27499 |
| 1979 | 2.29299 |
| 1978 | 2.30669 |
| 1977 | 2.32108 |
| 1976 | 2.3328 |
| 1975 | 2.34511 |
| 1974 | 2.35837 |
| 1973 | 2.37078 |
| 1972 | 2.38235 |
| 1971 | 2.39343 |
| 1970 | 2.40413 |
| 1969 | 2.41391 |
| 1968 | 2.4229 |
| 1967 | 2.43138 |
| 1966 | 2.43888 |
| 1965 | 2.44507 |
| 1964 | 2.45044 |
| 1963 | 2.45517 |
| 1962 | 2.45871 |
| 1961 | 2.46099 |
| 1960 | 2.46178 |