| 年份 | 冈比亚 |
|---|---|
| 2023 | - |
| 2022 | 2.17687 |
| 2021 | 2.14763 |
| 2020 | 2.11209 |
| 2019 | 2.06655 |
| 2018 | 2.01306 |
| 2017 | 1.95584 |
| 2016 | 1.8961 |
| 2015 | 1.83598 |
| 2014 | 1.77781 |
| 2013 | 1.72279 |
| 2012 | 1.6723 |
| 2011 | 1.62743 |
| 2010 | 1.588 |
| 2009 | 1.55296 |
| 2008 | 1.53559 |
| 2007 | 1.5556 |
| 2006 | 1.60937 |
| 2005 | 1.68306 |
| 2004 | 1.77065 |
| 2003 | 1.85091 |
| 2002 | 1.90172 |
| 2001 | 1.92712 |
| 2000 | 1.93946 |
| 1999 | 1.94879 |
| 1998 | 1.96005 |
| 1997 | 1.97628 |
| 1996 | 1.99932 |
| 1995 | 2.02941 |
| 1994 | 2.06423 |
| 1993 | 2.10464 |
| 1992 | 2.15409 |
| 1991 | 2.20906 |
| 1990 | 2.26358 |
| 1989 | 2.31568 |
| 1988 | 2.36357 |
| 1987 | 2.40624 |
| 1986 | 2.44757 |
| 1985 | 2.49124 |
| 1984 | 2.53699 |
| 1983 | 2.58055 |
| 1982 | 2.61637 |
| 1981 | 2.63848 |
| 1980 | 2.63909 |
| 1979 | 2.61682 |
| 1978 | 2.57104 |
| 1977 | 2.50706 |
| 1976 | 2.44514 |
| 1975 | 2.39916 |
| 1974 | 2.36865 |
| 1973 | 2.35548 |
| 1972 | 2.35986 |
| 1971 | 2.36744 |
| 1970 | 2.36768 |
| 1969 | 2.3643 |
| 1968 | 2.35922 |
| 1967 | 2.35008 |
| 1966 | 2.34152 |
| 1965 | 2.33649 |
| 1964 | 2.33329 |
| 1963 | 2.33028 |
| 1962 | 2.32769 |
| 1961 | 2.32563 |
| 1960 | 2.32339 |