| 年份 | 加纳 |
|---|---|
| 2023 | - |
| 2022 | - |
| 2021 | 3.75606 |
| 2020 | 3.79791 |
| 2019 | 3.48168 |
| 2018 | 3.80855 |
| 2017 | 5.9083 |
| 2016 | 6.37928 |
| 2015 | 6.82969 |
| 2014 | 5.66615 |
| 2013 | 4.42141 |
| 2012 | 6.22275 |
| 2011 | 5.50203 |
| 2010 | 5.77443 |
| 2009 | 7.60843 |
| 2008 | 6.57574 |
| 2007 | 6.24981 |
| 2006 | 5.00766 |
| 2005 | 9.3638 |
| 2004 | 10.8306 |
| 2003 | 13.8962 |
| 2002 | 9.85705 |
| 2001 | 9.39321 |
| 2000 | 9.73486 |
| 1999 | 6.26576 |
| 1998 | 10.196 |
| 1997 | 10.3983 |
| 1996 | 10.7637 |
| 1995 | 11.3787 |
| 1994 | 9.57657 |
| 1993 | 6.94631 |
| 1992 | 5.93851 |
| 1991 | 4.64134 |
| 1990 | 6.07464 |
| 1989 | 4.85221 |
| 1988 | 4.83896 |
| 1987 | 4.60614 |
| 1986 | 4.21869 |
| 1985 | 3.47863 |
| 1984 | 4.60277 |
| 1983 | 5.50175 |
| 1982 | 7.28956 |
| 1981 | 4.9676 |
| 1980 | 5.41174 |
| 1979 | 5.42007 |
| 1978 | 6.10519 |
| 1977 | 7.21426 |
| 1976 | 5.58232 |
| 1975 | 5.30832 |
| 1974 | 4.2456 |
| 1973 | 4.85439 |
| 1972 | 3.34866 |
| 1971 | 2.22826 |
| 1970 | 2.74013 |
| 1969 | - |
| 1968 | - |
| 1967 | - |
| 1966 | - |
| 1965 | - |
| 1964 | - |
| 1963 | - |
| 1962 | - |
| 1961 | - |
| 1960 | - |