| 年份 | 冈比亚 |
|---|---|
| 2023 | - |
| 2022 | 2.42608 |
| 2021 | 2.43614 |
| 2020 | 2.455 |
| 2019 | 2.46819 |
| 2018 | 2.48246 |
| 2017 | 2.5098 |
| 2016 | 2.54796 |
| 2015 | 2.5982 |
| 2014 | 2.66416 |
| 2013 | 2.73292 |
| 2012 | 2.78661 |
| 2011 | 2.82978 |
| 2010 | 2.87419 |
| 2009 | 2.92407 |
| 2008 | 2.98062 |
| 2007 | 3.04717 |
| 2006 | 3.12524 |
| 2005 | 3.21381 |
| 2004 | 3.3121 |
| 2003 | 3.42192 |
| 2002 | 3.49837 |
| 2001 | 3.53189 |
| 2000 | 3.56209 |
| 1999 | 3.58872 |
| 1998 | 3.61174 |
| 1997 | 3.63226 |
| 1996 | 3.65101 |
| 1995 | 3.66983 |
| 1994 | 3.70695 |
| 1993 | 3.77524 |
| 1992 | 3.83271 |
| 1991 | 3.85179 |
| 1990 | 3.85632 |
| 1989 | 3.85848 |
| 1988 | 3.85882 |
| 1987 | 3.86031 |
| 1986 | 3.87135 |
| 1985 | 3.89668 |
| 1984 | 3.93678 |
| 1983 | 3.91785 |
| 1982 | 3.83751 |
| 1981 | 3.76047 |
| 1980 | 3.6672 |
| 1979 | 3.55741 |
| 1978 | 3.4378 |
| 1977 | 3.31099 |
| 1976 | 3.18265 |
| 1975 | 3.0551 |
| 1974 | 2.92526 |
| 1973 | 2.85452 |
| 1972 | 2.84612 |
| 1971 | 2.8376 |
| 1970 | 2.82998 |
| 1969 | 2.82206 |
| 1968 | 2.81308 |
| 1967 | 2.80398 |
| 1966 | 2.79479 |
| 1965 | 2.78575 |
| 1964 | 2.77681 |
| 1963 | 2.76825 |
| 1962 | 2.75934 |
| 1961 | 2.7495 |
| 1960 | 2.73853 |