| 年份 | 加纳 |
|---|---|
| 2023 | - |
| 2022 | 11.5627 |
| 2021 | 11.5168 |
| 2020 | 11.5149 |
| 2019 | 11.5328 |
| 2018 | 11.5503 |
| 2017 | 11.5761 |
| 2016 | 11.6006 |
| 2015 | 11.6053 |
| 2014 | 11.5922 |
| 2013 | 11.5642 |
| 2012 | 11.5102 |
| 2011 | 11.4433 |
| 2010 | 11.3931 |
| 2009 | 11.403 |
| 2008 | 11.5012 |
| 2007 | 11.6776 |
| 2006 | 11.91 |
| 2005 | 12.1665 |
| 2004 | 12.4222 |
| 2003 | 12.6652 |
| 2002 | 12.8978 |
| 2001 | 13.1226 |
| 2000 | 13.318 |
| 1999 | 13.4801 |
| 1998 | 13.6701 |
| 1997 | 13.8567 |
| 1996 | 13.9555 |
| 1995 | 14.0156 |
| 1994 | 14.0672 |
| 1993 | 14.0335 |
| 1992 | 13.9446 |
| 1991 | 13.8163 |
| 1990 | 13.6152 |
| 1989 | 13.3841 |
| 1988 | 13.1178 |
| 1987 | 12.8059 |
| 1986 | 12.5052 |
| 1985 | 12.2515 |
| 1984 | 12.0122 |
| 1983 | 11.9677 |
| 1982 | 12.1043 |
| 1981 | 12.2344 |
| 1980 | 12.3953 |
| 1979 | 12.6368 |
| 1978 | 12.9481 |
| 1977 | 13.2724 |
| 1976 | 13.4567 |
| 1975 | 13.5004 |
| 1974 | 13.5198 |
| 1973 | 13.4661 |
| 1972 | 13.3099 |
| 1971 | 13.0201 |
| 1970 | 12.699 |
| 1969 | 12.4356 |
| 1968 | 12.184 |
| 1967 | 11.9345 |
| 1966 | 11.6857 |
| 1965 | 11.4465 |
| 1964 | 11.3101 |
| 1963 | 11.2579 |
| 1962 | 11.1729 |
| 1961 | 11.0794 |
| 1960 | 10.9537 |