| 年份 | 加纳 |
|---|---|
| 2023 | - |
| 2022 | 50.1279 |
| 2021 | 50.1248 |
| 2020 | 50.1208 |
| 2019 | 50.1189 |
| 2018 | 50.1208 |
| 2017 | 50.1242 |
| 2016 | 50.1274 |
| 2015 | 50.132 |
| 2014 | 50.1376 |
| 2013 | 50.1449 |
| 2012 | 50.1524 |
| 2011 | 50.1605 |
| 2010 | 50.1745 |
| 2009 | 50.1892 |
| 2008 | 50.2045 |
| 2007 | 50.221 |
| 2006 | 50.2386 |
| 2005 | 50.2582 |
| 2004 | 50.2776 |
| 2003 | 50.298 |
| 2002 | 50.32 |
| 2001 | 50.3455 |
| 2000 | 50.3713 |
| 1999 | 50.3884 |
| 1998 | 50.3982 |
| 1997 | 50.4078 |
| 1996 | 50.4091 |
| 1995 | 50.4001 |
| 1994 | 50.386 |
| 1993 | 50.3917 |
| 1992 | 50.4181 |
| 1991 | 50.4412 |
| 1990 | 50.4634 |
| 1989 | 50.4824 |
| 1988 | 50.4976 |
| 1987 | 50.5106 |
| 1986 | 50.5206 |
| 1985 | 50.527 |
| 1984 | 50.533 |
| 1983 | 50.4762 |
| 1982 | 50.3755 |
| 1981 | 50.3153 |
| 1980 | 50.2621 |
| 1979 | 50.1865 |
| 1978 | 50.1038 |
| 1977 | 50.0239 |
| 1976 | 50.0005 |
| 1975 | 50.0162 |
| 1974 | 50.0034 |
| 1973 | 49.9808 |
| 1972 | 49.9627 |
| 1971 | 49.9694 |
| 1970 | 49.9591 |
| 1969 | 49.8994 |
| 1968 | 49.82 |
| 1967 | 49.7281 |
| 1966 | 49.6283 |
| 1965 | 49.5212 |
| 1964 | 49.4028 |
| 1963 | 49.2754 |
| 1962 | 49.1418 |
| 1961 | 49.0003 |
| 1960 | 48.8858 |