| 年份 | 冈比亚 |
|---|---|
| 2023 | - |
| 2022 | 0.640897 |
| 2021 | 0.658428 |
| 2020 | 0.68611 |
| 2019 | 0.72241 |
| 2018 | 0.756871 |
| 2017 | 0.776948 |
| 2016 | 0.785554 |
| 2015 | 0.789131 |
| 2014 | 0.791739 |
| 2013 | 0.795239 |
| 2012 | 0.800767 |
| 2011 | 0.809801 |
| 2010 | 0.823122 |
| 2009 | 0.839755 |
| 2008 | 0.860324 |
| 2007 | 0.884398 |
| 2006 | 0.909469 |
| 2005 | 0.93444 |
| 2004 | 0.959838 |
| 2003 | 0.985682 |
| 2002 | 1.00174 |
| 2001 | 1.00749 |
| 2000 | 1.01314 |
| 1999 | 1.01895 |
| 1998 | 1.02554 |
| 1997 | 1.03245 |
| 1996 | 1.03626 |
| 1995 | 1.03466 |
| 1994 | 1.03218 |
| 1993 | 1.03044 |
| 1992 | 1.02043 |
| 1991 | 1.00323 |
| 1990 | 0.990578 |
| 1989 | 0.985841 |
| 1988 | 0.990334 |
| 1987 | 1.00322 |
| 1986 | 1.01867 |
| 1985 | 1.03414 |
| 1984 | 1.04961 |
| 1983 | 1.05428 |
| 1982 | 1.04779 |
| 1981 | 1.04062 |
| 1980 | 1.03038 |
| 1979 | 1.01652 |
| 1978 | 1.00018 |
| 1977 | 0.981788 |
| 1976 | 0.960867 |
| 1975 | 0.938039 |
| 1974 | 0.913333 |
| 1973 | 0.899918 |
| 1972 | 0.898754 |
| 1971 | 0.897457 |
| 1970 | 0.896619 |
| 1969 | 0.896124 |
| 1968 | 0.895704 |
| 1967 | 0.895127 |
| 1966 | 0.894337 |
| 1965 | 0.893366 |
| 1964 | 0.892194 |
| 1963 | 0.890937 |
| 1962 | 0.890275 |
| 1961 | 0.889297 |
| 1960 | 0.887731 |