| 年份 | 加纳 |
|---|---|
| 2023 | - |
| 2022 | - |
| 2021 | 66.014 |
| 2020 | 66.385 |
| 2019 | 66.825 |
| 2018 | 66.049 |
| 2017 | 65.922 |
| 2016 | 65.873 |
| 2015 | 64.987 |
| 2014 | 64.924 |
| 2013 | 64.072 |
| 2012 | 63.971 |
| 2011 | 63.233 |
| 2010 | 62.485 |
| 2009 | 62.461 |
| 2008 | 61.77 |
| 2007 | 61.661 |
| 2006 | 61.217 |
| 2005 | 61.091 |
| 2004 | 60.483 |
| 2003 | 60.434 |
| 2002 | 59.852 |
| 2001 | 59.196 |
| 2000 | 59.289 |
| 1999 | 59.224 |
| 1998 | 58.782 |
| 1997 | 58.434 |
| 1996 | 57.918 |
| 1995 | 57.578 |
| 1994 | 57.14 |
| 1993 | 57.341 |
| 1992 | 57.522 |
| 1991 | 57.356 |
| 1990 | 57.087 |
| 1989 | 56.857 |
| 1988 | 56.281 |
| 1987 | 55.607 |
| 1986 | 55.054 |
| 1985 | 54.372 |
| 1984 | 53.911 |
| 1983 | 53.48 |
| 1982 | 53.226 |
| 1981 | 53.312 |
| 1980 | 53.024 |
| 1979 | 53.017 |
| 1978 | 52.554 |
| 1977 | 52.035 |
| 1976 | 51.857 |
| 1975 | 51.349 |
| 1974 | 50.904 |
| 1973 | 50.53 |
| 1972 | 50.172 |
| 1971 | 50.022 |
| 1970 | 50.043 |
| 1969 | 49.667 |
| 1968 | 49.685 |
| 1967 | 49.985 |
| 1966 | 49.972 |
| 1965 | 50.078 |
| 1964 | 50.098 |
| 1963 | 49.742 |
| 1962 | 49.586 |
| 1961 | 49.518 |
| 1960 | 49.405 |