| 年份 | 加纳 |
|---|---|
| 2023 | - |
| 2022 | 11.2679 |
| 2021 | 11.2275 |
| 2020 | 11.2294 |
| 2019 | 11.2472 |
| 2018 | 11.2601 |
| 2017 | 11.2787 |
| 2016 | 11.2955 |
| 2015 | 11.2927 |
| 2014 | 11.2737 |
| 2013 | 11.2418 |
| 2012 | 11.1847 |
| 2011 | 11.1144 |
| 2010 | 11.0579 |
| 2009 | 11.0587 |
| 2008 | 11.1448 |
| 2007 | 11.3052 |
| 2006 | 11.5184 |
| 2005 | 11.7531 |
| 2004 | 11.9836 |
| 2003 | 12.1995 |
| 2002 | 12.4063 |
| 2001 | 12.6077 |
| 2000 | 12.7858 |
| 1999 | 12.9411 |
| 1998 | 13.118 |
| 1997 | 13.2781 |
| 1996 | 13.3524 |
| 1995 | 13.3848 |
| 1994 | 13.3946 |
| 1993 | 13.3122 |
| 1992 | 13.1734 |
| 1991 | 13.0058 |
| 1990 | 12.7871 |
| 1989 | 12.5619 |
| 1988 | 12.3289 |
| 1987 | 12.082 |
| 1986 | 11.874 |
| 1985 | 11.7368 |
| 1984 | 11.6446 |
| 1983 | 11.7154 |
| 1982 | 11.9176 |
| 1981 | 12.1099 |
| 1980 | 12.3159 |
| 1979 | 12.5669 |
| 1978 | 12.8504 |
| 1977 | 13.109 |
| 1976 | 13.2331 |
| 1975 | 13.2364 |
| 1974 | 13.2054 |
| 1973 | 13.1009 |
| 1972 | 12.9076 |
| 1971 | 12.6228 |
| 1970 | 12.3414 |
| 1969 | 12.1332 |
| 1968 | 11.9571 |
| 1967 | 11.7977 |
| 1966 | 11.6503 |
| 1965 | 11.5211 |
| 1964 | 11.3949 |
| 1963 | 11.2352 |
| 1962 | 11.0094 |
| 1961 | 10.7294 |
| 1960 | 10.3667 |