| 年份 | 冈比亚 |
|---|---|
| 2023 | - |
| 2022 | 4.55832 |
| 2021 | 4.54878 |
| 2020 | 4.54179 |
| 2019 | 4.53862 |
| 2018 | 4.53883 |
| 2017 | 4.53897 |
| 2016 | 4.53677 |
| 2015 | 4.53246 |
| 2014 | 4.52597 |
| 2013 | 4.51597 |
| 2012 | 4.50253 |
| 2011 | 4.48454 |
| 2010 | 4.45989 |
| 2009 | 4.42558 |
| 2008 | 4.37925 |
| 2007 | 4.31937 |
| 2006 | 4.24509 |
| 2005 | 4.15413 |
| 2004 | 4.04584 |
| 2003 | 3.92342 |
| 2002 | 3.81888 |
| 2001 | 3.73688 |
| 2000 | 3.6516 |
| 1999 | 3.56747 |
| 1998 | 3.48904 |
| 1997 | 3.41846 |
| 1996 | 3.35729 |
| 1995 | 3.30657 |
| 1994 | 3.24355 |
| 1993 | 3.19382 |
| 1992 | 3.23095 |
| 1991 | 3.35701 |
| 1990 | 3.53234 |
| 1989 | 3.75005 |
| 1988 | 3.96206 |
| 1987 | 4.10591 |
| 1986 | 4.19519 |
| 1985 | 4.25618 |
| 1984 | 4.30468 |
| 1983 | 4.35654 |
| 1982 | 4.41963 |
| 1981 | 4.49586 |
| 1980 | 4.58872 |
| 1979 | 4.69399 |
| 1978 | 4.81161 |
| 1977 | 4.93665 |
| 1976 | 5.05553 |
| 1975 | 5.1597 |
| 1974 | 5.24917 |
| 1973 | 5.29781 |
| 1972 | 5.30628 |
| 1971 | 5.3092 |
| 1970 | 5.31224 |
| 1969 | 5.31635 |
| 1968 | 5.32376 |
| 1967 | 5.327 |
| 1966 | 5.30449 |
| 1965 | 5.24404 |
| 1964 | 5.14731 |
| 1963 | 5.00948 |
| 1962 | 4.8429 |
| 1961 | 4.69017 |
| 1960 | 4.57732 |