| 年份 | 冈比亚 |
|---|---|
| 2023 | - |
| 2022 | 0.600408 |
| 2021 | 0.623173 |
| 2020 | 0.654124 |
| 2019 | 0.687341 |
| 2018 | 0.715076 |
| 2017 | 0.729014 |
| 2016 | 0.730683 |
| 2015 | 0.728266 |
| 2014 | 0.725776 |
| 2013 | 0.724732 |
| 2012 | 0.726401 |
| 2011 | 0.731723 |
| 2010 | 0.740954 |
| 2009 | 0.753595 |
| 2008 | 0.769878 |
| 2007 | 0.789877 |
| 2006 | 0.812088 |
| 2005 | 0.835912 |
| 2004 | 0.861315 |
| 2003 | 0.887635 |
| 2002 | 0.907341 |
| 2001 | 0.920497 |
| 2000 | 0.934402 |
| 1999 | 0.948505 |
| 1998 | 0.963049 |
| 1997 | 0.97766 |
| 1996 | 0.989749 |
| 1995 | 0.996955 |
| 1994 | 1.00227 |
| 1993 | 1.00824 |
| 1992 | 1.00803 |
| 1991 | 1.00204 |
| 1990 | 1.00007 |
| 1989 | 1.0049 |
| 1988 | 1.01752 |
| 1987 | 1.03879 |
| 1986 | 1.06416 |
| 1985 | 1.0889 |
| 1984 | 1.1143 |
| 1983 | 1.11298 |
| 1982 | 1.08329 |
| 1981 | 1.05465 |
| 1980 | 1.02355 |
| 1979 | 0.9884 |
| 1978 | 0.95049 |
| 1977 | 0.910896 |
| 1976 | 0.871399 |
| 1975 | 0.832249 |
| 1974 | 0.792442 |
| 1973 | 0.770857 |
| 1972 | 0.768814 |
| 1971 | 0.766777 |
| 1970 | 0.764088 |
| 1969 | 0.761038 |
| 1968 | 0.758011 |
| 1967 | 0.755248 |
| 1966 | 0.752164 |
| 1965 | 0.748878 |
| 1964 | 0.745527 |
| 1963 | 0.741898 |
| 1962 | 0.738445 |
| 1961 | 0.734644 |
| 1960 | 0.730976 |