| 年份 | 加纳 |
|---|---|
| 2023 | - |
| 2022 | - |
| 2021 | 27.548 |
| 2020 | 28.038 |
| 2019 | 28.572 |
| 2018 | 29.025 |
| 2017 | 28.978 |
| 2016 | 30.527 |
| 2015 | 31.713 |
| 2014 | 31.834 |
| 2013 | 32.535 |
| 2012 | 32.885 |
| 2011 | 32.957 |
| 2010 | 33.004 |
| 2009 | 32.982 |
| 2008 | 33.206 |
| 2007 | 33.561 |
| 2006 | 34.124 |
| 2005 | 34.885 |
| 2004 | 34.535 |
| 2003 | 34.939 |
| 2002 | 35.344 |
| 2001 | 35.635 |
| 2000 | 35.865 |
| 1999 | 35.418 |
| 1998 | 35.267 |
| 1997 | 35.258 |
| 1996 | 35.415 |
| 1995 | 36.171 |
| 1994 | 36.763 |
| 1993 | 37.909 |
| 1992 | 38.744 |
| 1991 | 39.613 |
| 1990 | 40.372 |
| 1989 | 41.088 |
| 1988 | 42.043 |
| 1987 | 43.033 |
| 1986 | 43.752 |
| 1985 | 44.329 |
| 1984 | 44.922 |
| 1983 | 44.842 |
| 1982 | 44.766 |
| 1981 | 44.955 |
| 1980 | 44.838 |
| 1979 | 44.674 |
| 1978 | 44.671 |
| 1977 | 44.704 |
| 1976 | 44.962 |
| 1975 | 45.408 |
| 1974 | 45.844 |
| 1973 | 46.222 |
| 1972 | 46.526 |
| 1971 | 46.939 |
| 1970 | 47.179 |
| 1969 | 47.338 |
| 1968 | 47.199 |
| 1967 | 47.233 |
| 1966 | 47.351 |
| 1965 | 47.878 |
| 1964 | 48.361 |
| 1963 | 48.989 |
| 1962 | 49.166 |
| 1961 | 49.347 |
| 1960 | 49.804 |