| 年份 | 加纳 |
|---|---|
| 2023 | - |
| 2022 | - |
| 2021 | 26.3789 |
| 2020 | 26.4007 |
| 2019 | 25.319 |
| 2018 | 25.1929 |
| 2017 | 24.8077 |
| 2016 | 24.8065 |
| 2015 | 24.3955 |
| 2014 | 24.3456 |
| 2013 | 24.2461 |
| 2012 | 24.5114 |
| 2011 | 24.1619 |
| 2010 | 24.1697 |
| 2009 | 22.2633 |
| 2008 | 22.0796 |
| 2007 | 23.6252 |
| 2006 | 30.9194 |
| 2005 | 15.2266 |
| 2004 | 20.4765 |
| 2003 | 17.5594 |
| 2002 | 21.3305 |
| 2001 | 22.6737 |
| 2000 | 22.3192 |
| 1999 | 22.2227 |
| 1998 | - |
| 1997 | - |
| 1996 | - |
| 1995 | - |
| 1994 | - |
| 1993 | - |
| 1992 | - |
| 1991 | - |
| 1990 | 21.6023 |
| 1989 | - |
| 1988 | 23.3733 |
| 1987 | 26.7308 |
| 1986 | 25.7844 |
| 1985 | - |
| 1984 | 20.9132 |
| 1983 | 21.3925 |
| 1982 | 22.1929 |
| 1981 | 21.0393 |
| 1980 | 21.275 |
| 1979 | 22.2809 |
| 1978 | 21.9423 |
| 1977 | 24.4918 |
| 1976 | 21.649 |
| 1975 | 21.9166 |
| 1974 | 22.0136 |
| 1973 | - |
| 1972 | - |
| 1971 | - |
| 1970 | - |
| 1969 | - |
| 1968 | - |
| 1967 | - |
| 1966 | - |
| 1965 | - |
| 1964 | - |
| 1963 | - |
| 1962 | - |
| 1961 | - |
| 1960 | - |