| 年份 | 加纳 |
|---|---|
| 2023 | - |
| 2022 | 59.5077 |
| 2021 | 59.2684 |
| 2020 | 59.0129 |
| 2019 | 58.7811 |
| 2018 | 58.587 |
| 2017 | 58.3688 |
| 2016 | 58.1547 |
| 2015 | 58.0033 |
| 2014 | 57.904 |
| 2013 | 57.838 |
| 2012 | 57.7898 |
| 2011 | 57.7377 |
| 2010 | 57.6599 |
| 2009 | 57.5242 |
| 2008 | 57.317 |
| 2007 | 57.0616 |
| 2006 | 56.7834 |
| 2005 | 56.4988 |
| 2004 | 56.1791 |
| 2003 | 55.8113 |
| 2002 | 55.4063 |
| 2001 | 54.9619 |
| 2000 | 54.5269 |
| 1999 | 54.101 |
| 1998 | 53.5931 |
| 1997 | 53.0279 |
| 1996 | 52.5142 |
| 1995 | 52.0507 |
| 1994 | 51.6156 |
| 1993 | 51.2335 |
| 1992 | 50.9125 |
| 1991 | 50.716 |
| 1990 | 50.6216 |
| 1989 | 50.5555 |
| 1988 | 50.565 |
| 1987 | 50.6947 |
| 1986 | 50.966 |
| 1985 | 51.3164 |
| 1984 | 51.6836 |
| 1983 | 51.9133 |
| 1982 | 51.9556 |
| 1981 | 51.9079 |
| 1980 | 51.7642 |
| 1979 | 51.5894 |
| 1978 | 51.3895 |
| 1977 | 51.1255 |
| 1976 | 50.8139 |
| 1975 | 50.494 |
| 1974 | 50.2037 |
| 1973 | 49.9447 |
| 1972 | 49.7296 |
| 1971 | 49.5589 |
| 1970 | 49.4659 |
| 1969 | 49.4675 |
| 1968 | 49.5253 |
| 1967 | 49.6275 |
| 1966 | 49.7784 |
| 1965 | 49.9932 |
| 1964 | 50.2497 |
| 1963 | 50.5705 |
| 1962 | 51.0136 |
| 1961 | 51.5472 |
| 1960 | 52.0552 |