| 年份 | 加纳 |
|---|---|
| 2023 | - |
| 2022 | 28.2236 |
| 2021 | 12.1061 |
| 2020 | 9.36557 |
| 2019 | 8.48107 |
| 2018 | 10.5685 |
| 2017 | 10.6773 |
| 2016 | 15.7486 |
| 2015 | 13.253 |
| 2014 | 23.94 |
| 2013 | 54.0129 |
| 2012 | 15.2053 |
| 2011 | 13.9148 |
| 2010 | 16.5956 |
| 2009 | 15.6666 |
| 2008 | 19.4103 |
| 2007 | 16.1042 |
| 2006 | 84.6835 |
| 2005 | 14.9637 |
| 2004 | 14.3502 |
| 2003 | 28.7044 |
| 2002 | 22.8186 |
| 2001 | 34.8179 |
| 2000 | 27.2301 |
| 1999 | 13.9712 |
| 1998 | 17.0485 |
| 1997 | 19.4582 |
| 1996 | 39.8377 |
| 1995 | 43.0453 |
| 1994 | 30.1289 |
| 1993 | 31.7572 |
| 1992 | 11.1501 |
| 1991 | 20.0414 |
| 1990 | 31.1666 |
| 1989 | 28.2943 |
| 1988 | 33.4029 |
| 1987 | 39.2015 |
| 1986 | 41.7058 |
| 1985 | 20.6484 |
| 1984 | 35.3124 |
| 1983 | 123.061 |
| 1982 | 27.8906 |
| 1981 | 75.6336 |
| 1980 | 51.1261 |
| 1979 | 37.9495 |
| 1978 | 73.3067 |
| 1977 | 67.2508 |
| 1976 | 28.0486 |
| 1975 | 29.4635 |
| 1974 | 24.5687 |
| 1973 | 20.8825 |
| 1972 | 15.4726 |
| 1971 | 5.18201 |
| 1970 | 2.88915 |
| 1969 | 11.0368 |
| 1968 | 12.6165 |
| 1967 | -3.87836 |
| 1966 | 8.15252 |
| 1965 | 17.0066 |
| 1964 | 9.93482 |
| 1963 | 6.74565 |
| 1962 | 1.94015 |
| 1961 | 3.47085 |
| 1960 | - |