| 年份 | 冈比亚 |
|---|---|
| 2023 | - |
| 2022 | 4.45009 |
| 2021 | 4.50625 |
| 2020 | 4.57858 |
| 2019 | 4.63747 |
| 2018 | 4.6957 |
| 2017 | 4.77556 |
| 2016 | 4.87311 |
| 2015 | 4.99206 |
| 2014 | 5.13996 |
| 2013 | 5.2917 |
| 2012 | 5.40959 |
| 2011 | 5.50208 |
| 2010 | 5.59427 |
| 2009 | 5.69673 |
| 2008 | 5.81346 |
| 2007 | 5.95088 |
| 2006 | 6.11083 |
| 2005 | 6.29151 |
| 2004 | 6.49168 |
| 2003 | 6.71579 |
| 2002 | 6.88013 |
| 2001 | 6.96332 |
| 2000 | 7.03724 |
| 1999 | 7.10017 |
| 1998 | 7.1503 |
| 1997 | 7.19161 |
| 1996 | 7.22748 |
| 1995 | 7.26012 |
| 1994 | 7.32594 |
| 1993 | 7.4535 |
| 1992 | 7.5606 |
| 1991 | 7.59261 |
| 1990 | 7.59626 |
| 1989 | 7.59527 |
| 1988 | 7.58998 |
| 1987 | 7.58549 |
| 1986 | 7.59862 |
| 1985 | 7.64036 |
| 1984 | 7.71151 |
| 1983 | 7.64591 |
| 1982 | 7.4407 |
| 1981 | 7.24274 |
| 1980 | 7.01448 |
| 1979 | 6.75839 |
| 1978 | 6.48665 |
| 1977 | 6.20346 |
| 1976 | 5.91998 |
| 1975 | 5.64108 |
| 1974 | 5.36069 |
| 1973 | 5.20466 |
| 1972 | 5.17807 |
| 1971 | 5.15136 |
| 1970 | 5.12579 |
| 1969 | 5.09892 |
| 1968 | 5.06898 |
| 1967 | 5.0375 |
| 1966 | 5.00351 |
| 1965 | 4.96725 |
| 1964 | 4.92643 |
| 1963 | 4.89064 |
| 1962 | 4.87031 |
| 1961 | 4.86122 |
| 1960 | 4.8567 |