| 年份 | 冈比亚 |
|---|---|
| 2023 | - |
| 2022 | 2.79537 |
| 2021 | 2.77831 |
| 2020 | 2.7611 |
| 2019 | 2.7397 |
| 2018 | 2.71382 |
| 2017 | 2.68376 |
| 2016 | 2.64799 |
| 2015 | 2.60551 |
| 2014 | 2.55599 |
| 2013 | 2.49997 |
| 2012 | 2.43851 |
| 2011 | 2.3732 |
| 2010 | 2.30632 |
| 2009 | 2.24016 |
| 2008 | 2.17634 |
| 2007 | 2.11709 |
| 2006 | 2.0643 |
| 2005 | 2.01744 |
| 2004 | 1.97506 |
| 2003 | 1.95443 |
| 2002 | 1.99135 |
| 2001 | 2.08044 |
| 2000 | 2.19184 |
| 1999 | 2.31766 |
| 1998 | 2.43183 |
| 1997 | 2.50042 |
| 1996 | 2.52917 |
| 1995 | 2.5419 |
| 1994 | 2.54739 |
| 1993 | 2.54945 |
| 1992 | 2.56244 |
| 1991 | 2.5947 |
| 1990 | 2.64019 |
| 1989 | 2.69448 |
| 1988 | 2.75932 |
| 1987 | 2.83332 |
| 1986 | 2.90768 |
| 1985 | 2.97795 |
| 1984 | 3.04415 |
| 1983 | 3.1098 |
| 1982 | 3.17072 |
| 1981 | 3.22549 |
| 1980 | 3.28008 |
| 1979 | 3.33138 |
| 1978 | 3.38056 |
| 1977 | 3.42293 |
| 1976 | 3.44425 |
| 1975 | 3.43649 |
| 1974 | 3.40019 |
| 1973 | 3.32637 |
| 1972 | 3.22415 |
| 1971 | 3.12938 |
| 1970 | 3.05961 |
| 1969 | 3.0138 |
| 1968 | 2.99431 |
| 1967 | 2.99866 |
| 1966 | 3.00694 |
| 1965 | 3.00699 |
| 1964 | 3.00345 |
| 1963 | 2.99794 |
| 1962 | 2.98739 |
| 1961 | 2.97733 |
| 1960 | 2.97162 |