| 年份 | 冈比亚 |
|---|---|
| 2023 | - |
| 2022 | 1.68223 |
| 2021 | 1.61438 |
| 2020 | 1.54641 |
| 2019 | 1.47784 |
| 2018 | 1.4121 |
| 2017 | 1.35264 |
| 2016 | 1.3003 |
| 2015 | 1.25552 |
| 2014 | 1.2127 |
| 2013 | 1.18464 |
| 2012 | 1.18973 |
| 2011 | 1.22219 |
| 2010 | 1.27371 |
| 2009 | 1.34539 |
| 2008 | 1.41659 |
| 2007 | 1.46115 |
| 2006 | 1.48479 |
| 2005 | 1.49855 |
| 2004 | 1.50897 |
| 2003 | 1.51954 |
| 2002 | 1.53009 |
| 2001 | 1.54256 |
| 2000 | 1.55976 |
| 1999 | 1.5809 |
| 1998 | 1.60733 |
| 1997 | 1.63757 |
| 1996 | 1.66695 |
| 1995 | 1.6931 |
| 1994 | 1.71822 |
| 1993 | 1.74383 |
| 1992 | 1.76815 |
| 1991 | 1.7917 |
| 1990 | 1.81579 |
| 1989 | 1.83951 |
| 1988 | 1.86397 |
| 1987 | 1.88703 |
| 1986 | 1.90039 |
| 1985 | 1.89906 |
| 1984 | 1.88398 |
| 1983 | 1.86421 |
| 1982 | 1.84177 |
| 1981 | 1.82075 |
| 1980 | 1.81305 |
| 1979 | 1.81781 |
| 1978 | 1.83628 |
| 1977 | 1.8662 |
| 1976 | 1.89422 |
| 1975 | 1.91364 |
| 1974 | 1.92654 |
| 1973 | 1.93013 |
| 1972 | 1.92573 |
| 1971 | 1.92203 |
| 1970 | 1.9209 |
| 1969 | 1.92092 |
| 1968 | 1.92123 |
| 1967 | 1.92238 |
| 1966 | 1.92367 |
| 1965 | 1.92548 |
| 1964 | 1.92767 |
| 1963 | 1.93029 |
| 1962 | 1.9345 |
| 1961 | 1.93873 |
| 1960 | 1.94274 |