| 年份 | 喀麦隆 |
|---|---|
| 2023 | - |
| 2022 | 0.789947 |
| 2021 | 0.80605 |
| 2020 | 0.824633 |
| 2019 | 0.845627 |
| 2018 | 0.864704 |
| 2017 | 0.87539 |
| 2016 | 0.881731 |
| 2015 | 0.888049 |
| 2014 | 0.896383 |
| 2013 | 0.906961 |
| 2012 | 0.918989 |
| 2011 | 0.932057 |
| 2010 | 0.945002 |
| 2009 | 0.957338 |
| 2008 | 0.968064 |
| 2007 | 0.977214 |
| 2006 | 0.986218 |
| 2005 | 0.996166 |
| 2004 | 1.00663 |
| 2003 | 1.01678 |
| 2002 | 1.02711 |
| 2001 | 1.03724 |
| 2000 | 1.04698 |
| 1999 | 1.0569 |
| 1998 | 1.06693 |
| 1997 | 1.07662 |
| 1996 | 1.08606 |
| 1995 | 1.09549 |
| 1994 | 1.10488 |
| 1993 | 1.11325 |
| 1992 | 1.12023 |
| 1991 | 1.12694 |
| 1990 | 1.13372 |
| 1989 | 1.14037 |
| 1988 | 1.14785 |
| 1987 | 1.1568 |
| 1986 | 1.16634 |
| 1985 | 1.17551 |
| 1984 | 1.18385 |
| 1983 | 1.19019 |
| 1982 | 1.19089 |
| 1981 | 1.19395 |
| 1980 | 1.20485 |
| 1979 | 1.21345 |
| 1978 | 1.21833 |
| 1977 | 1.22231 |
| 1976 | 1.22445 |
| 1975 | 1.22657 |
| 1974 | 1.22905 |
| 1973 | 1.23086 |
| 1972 | 1.23204 |
| 1971 | 1.23282 |
| 1970 | 1.23337 |
| 1969 | 1.23329 |
| 1968 | 1.23229 |
| 1967 | 1.23064 |
| 1966 | 1.22838 |
| 1965 | 1.22543 |
| 1964 | 1.22207 |
| 1963 | 1.21858 |
| 1962 | 1.21474 |
| 1961 | 1.21026 |
| 1960 | 1.20511 |