| 年份 | 喀麦隆  | 
                                                            
|---|---|
| 2023 | - | 
| 2022 | 2.20227 | 
| 2021 | 2.17558 | 
| 2020 | 2.14953 | 
| 2019 | 2.12284 | 
| 2018 | 2.09589 | 
| 2017 | 2.07035 | 
| 2016 | 2.04757 | 
| 2015 | 2.02735 | 
| 2014 | 2.00986 | 
| 2013 | 1.99423 | 
| 2012 | 1.98046 | 
| 2011 | 1.97121 | 
| 2010 | 1.96719 | 
| 2009 | 1.96092 | 
| 2008 | 1.96163 | 
| 2007 | 1.98484 | 
| 2006 | 2.02272 | 
| 2005 | 2.06732 | 
| 2004 | 2.12468 | 
| 2003 | 2.18135 | 
| 2002 | 2.21725 | 
| 2001 | 2.24039 | 
| 2000 | 2.26045 | 
| 1999 | 2.28342 | 
| 1998 | 2.31251 | 
| 1997 | 2.34618 | 
| 1996 | 2.3805 | 
| 1995 | 2.41306 | 
| 1994 | 2.44336 | 
| 1993 | 2.46981 | 
| 1992 | 2.49222 | 
| 1991 | 2.51507 | 
| 1990 | 2.54147 | 
| 1989 | 2.56964 | 
| 1988 | 2.59743 | 
| 1987 | 2.62641 | 
| 1986 | 2.65698 | 
| 1985 | 2.68743 | 
| 1984 | 2.71709 | 
| 1983 | 2.7439 | 
| 1982 | 2.7609 | 
| 1981 | 2.78111 | 
| 1980 | 2.815 | 
| 1979 | 2.8449 | 
| 1978 | 2.86523 | 
| 1977 | 2.88084 | 
| 1976 | 2.89322 | 
| 1975 | 2.90582 | 
| 1974 | 2.91924 | 
| 1973 | 2.93478 | 
| 1972 | 2.95247 | 
| 1971 | 2.9693 | 
| 1970 | 2.98507 | 
| 1969 | 2.99924 | 
| 1968 | 3.01183 | 
| 1967 | 3.02344 | 
| 1966 | 3.03443 | 
| 1965 | 3.04471 | 
| 1964 | 3.05441 | 
| 1963 | 3.06359 | 
| 1962 | 3.07161 | 
| 1961 | 3.07891 | 
| 1960 | 3.08511 |