| 年份 | 加纳 |
|---|---|
| 2023 | - |
| 2022 | - |
| 2021 | 36.1 |
| 2020 | 37.2 |
| 2019 | 38.3 |
| 2018 | 39.5 |
| 2017 | 40.7 |
| 2016 | 42 |
| 2015 | 43.5 |
| 2014 | 45 |
| 2013 | 46.7 |
| 2012 | 48.5 |
| 2011 | 50.5 |
| 2010 | 52.5 |
| 2009 | 54.6 |
| 2008 | 56.5 |
| 2007 | 58.1 |
| 2006 | 59.6 |
| 2005 | 61 |
| 2004 | 62.5 |
| 2003 | 64.2 |
| 2002 | 66.1 |
| 2001 | 68.4 |
| 2000 | 70.8 |
| 1999 | 73.1 |
| 1998 | 75.1 |
| 1997 | 76.9 |
| 1996 | 78.3 |
| 1995 | 79.4 |
| 1994 | 80.3 |
| 1993 | 81.3 |
| 1992 | 82.6 |
| 1991 | 84.4 |
| 1990 | 86.7 |
| 1989 | 89.7 |
| 1988 | 93 |
| 1987 | 96.3 |
| 1986 | 99.5 |
| 1985 | 102.3 |
| 1984 | 104.6 |
| 1983 | 106.3 |
| 1982 | 107.5 |
| 1981 | 108.2 |
| 1980 | 109 |
| 1979 | 110.2 |
| 1978 | 111.9 |
| 1977 | 114.1 |
| 1976 | 116.8 |
| 1975 | 119.7 |
| 1974 | 122.5 |
| 1973 | 124.9 |
| 1972 | 126.7 |
| 1971 | 128.1 |
| 1970 | 128.9 |
| 1969 | 129.2 |
| 1968 | 129.1 |
| 1967 | 129 |
| 1966 | 128.8 |
| 1965 | 128.7 |
| 1964 | 128.9 |
| 1963 | 129.3 |
| 1962 | 129.9 |
| 1961 | 130.9 |
| 1960 | 132.1 |