| 年份 | 冈比亚 |
|---|---|
| 2023 | - |
| 2022 | 4.24092 |
| 2021 | 4.21554 |
| 2020 | 4.19282 |
| 2019 | 4.17452 |
| 2018 | 4.16051 |
| 2017 | 4.148 |
| 2016 | 4.13503 |
| 2015 | 4.12276 |
| 2014 | 4.11252 |
| 2013 | 4.1033 |
| 2012 | 4.09631 |
| 2011 | 4.09184 |
| 2010 | 4.08711 |
| 2009 | 4.07903 |
| 2008 | 4.06512 |
| 2007 | 4.04258 |
| 2006 | 4.00951 |
| 2005 | 3.96293 |
| 2004 | 3.90159 |
| 2003 | 3.82725 |
| 2002 | 3.75501 |
| 2001 | 3.68912 |
| 2000 | 3.61971 |
| 1999 | 3.55033 |
| 1998 | 3.48479 |
| 1997 | 3.42542 |
| 1996 | 3.37386 |
| 1995 | 3.33098 |
| 1994 | 3.28955 |
| 1993 | 3.2685 |
| 1992 | 3.31464 |
| 1991 | 3.43014 |
| 1990 | 3.58571 |
| 1989 | 3.76887 |
| 1988 | 3.93942 |
| 1987 | 4.0439 |
| 1986 | 4.08929 |
| 1985 | 4.10994 |
| 1984 | 4.12553 |
| 1983 | 4.17393 |
| 1982 | 4.25824 |
| 1981 | 4.35576 |
| 1980 | 4.46759 |
| 1979 | 4.58662 |
| 1978 | 4.716 |
| 1977 | 4.85143 |
| 1976 | 4.97697 |
| 1975 | 5.08564 |
| 1974 | 5.1791 |
| 1973 | 5.231 |
| 1972 | 5.24237 |
| 1971 | 5.2481 |
| 1970 | 5.25521 |
| 1969 | 5.26302 |
| 1968 | 5.27139 |
| 1967 | 5.27484 |
| 1966 | 5.25398 |
| 1965 | 5.19601 |
| 1964 | 5.10086 |
| 1963 | 4.9645 |
| 1962 | 4.80085 |
| 1961 | 4.65102 |
| 1960 | 4.54093 |