| 年份 | 冈比亚 |
|---|---|
| 2023 | - |
| 2022 | 2.4419 |
| 2021 | 2.38691 |
| 2020 | 2.32391 |
| 2019 | 2.25042 |
| 2018 | 2.16942 |
| 2017 | 2.08527 |
| 2016 | 1.99987 |
| 2015 | 1.91581 |
| 2014 | 1.83577 |
| 2013 | 1.76147 |
| 2012 | 1.69429 |
| 2011 | 1.63517 |
| 2010 | 1.58433 |
| 2009 | 1.5347 |
| 2008 | 1.50285 |
| 2007 | 1.51263 |
| 2006 | 1.55665 |
| 2005 | 1.62324 |
| 2004 | 1.71368 |
| 2003 | 1.80222 |
| 2002 | 1.85734 |
| 2001 | 1.8861 |
| 2000 | 1.90027 |
| 1999 | 1.90858 |
| 1998 | 1.91575 |
| 1997 | 1.92586 |
| 1996 | 1.942 |
| 1995 | 1.96448 |
| 1994 | 1.99247 |
| 1993 | 2.02953 |
| 1992 | 2.07984 |
| 1991 | 2.138 |
| 1990 | 2.19419 |
| 1989 | 2.24522 |
| 1988 | 2.28912 |
| 1987 | 2.32494 |
| 1986 | 2.357 |
| 1985 | 2.38794 |
| 1984 | 2.41713 |
| 1983 | 2.46588 |
| 1982 | 2.52933 |
| 1981 | 2.57688 |
| 1980 | 2.60449 |
| 1979 | 2.61088 |
| 1978 | 2.59262 |
| 1977 | 2.5551 |
| 1976 | 2.51854 |
| 1975 | 2.49649 |
| 1974 | 2.48907 |
| 1973 | 2.48847 |
| 1972 | 2.49468 |
| 1971 | 2.50315 |
| 1970 | 2.50631 |
| 1969 | 2.50738 |
| 1968 | 2.50524 |
| 1967 | 2.49952 |
| 1966 | 2.49443 |
| 1965 | 2.49273 |
| 1964 | 2.49372 |
| 1963 | 2.49553 |
| 1962 | 2.49842 |
| 1961 | 2.50199 |
| 1960 | 2.50603 |