| 年份 | 喀麦隆 |
|---|---|
| 2023 | - |
| 2022 | 2.08783 |
| 2021 | 2.06176 |
| 2020 | 2.03674 |
| 2019 | 2.00991 |
| 2018 | 1.9816 |
| 2017 | 1.95488 |
| 2016 | 1.93022 |
| 2015 | 1.90743 |
| 2014 | 1.88629 |
| 2013 | 1.86692 |
| 2012 | 1.85011 |
| 2011 | 1.8376 |
| 2010 | 1.83021 |
| 2009 | 1.81568 |
| 2008 | 1.80423 |
| 2007 | 1.81717 |
| 2006 | 1.84595 |
| 2005 | 1.88155 |
| 2004 | 1.93558 |
| 2003 | 1.99258 |
| 2002 | 2.02361 |
| 2001 | 2.03765 |
| 2000 | 2.04558 |
| 1999 | 2.05399 |
| 1998 | 2.06674 |
| 1997 | 2.08402 |
| 1996 | 2.10443 |
| 1995 | 2.12694 |
| 1994 | 2.15097 |
| 1993 | 2.17421 |
| 1992 | 2.19584 |
| 1991 | 2.21861 |
| 1990 | 2.2443 |
| 1989 | 2.27151 |
| 1988 | 2.29879 |
| 1987 | 2.32725 |
| 1986 | 2.35697 |
| 1985 | 2.38658 |
| 1984 | 2.41555 |
| 1983 | 2.44261 |
| 1982 | 2.46409 |
| 1981 | 2.48745 |
| 1980 | 2.51884 |
| 1979 | 2.5487 |
| 1978 | 2.57507 |
| 1977 | 2.60046 |
| 1976 | 2.62368 |
| 1975 | 2.64623 |
| 1974 | 2.66873 |
| 1973 | 2.6907 |
| 1972 | 2.71224 |
| 1971 | 2.73366 |
| 1970 | 2.7548 |
| 1969 | 2.775 |
| 1968 | 2.79403 |
| 1967 | 2.81166 |
| 1966 | 2.82744 |
| 1965 | 2.84095 |
| 1964 | 2.85225 |
| 1963 | 2.86168 |
| 1962 | 2.86926 |
| 1961 | 2.88036 |
| 1960 | 2.89447 |