| 年份 | 南非 |
|---|---|
| 2023 | - |
| 2022 | - |
| 2021 | 3.55649 |
| 2020 | 3.55257 |
| 2019 | 3.88865 |
| 2018 | 4.12094 |
| 2017 | 3.90766 |
| 2016 | 3.78405 |
| 2015 | 4.07594 |
| 2014 | 3.9157 |
| 2013 | 4.68906 |
| 2012 | 4.21441 |
| 2011 | 4.43102 |
| 2010 | 3.81405 |
| 2009 | 3.10023 |
| 2008 | 3.48209 |
| 2007 | 4.43159 |
| 2006 | 4.61162 |
| 2005 | 4.31993 |
| 2004 | 3.51104 |
| 2003 | 2.63994 |
| 2002 | 2.89067 |
| 2001 | 3.02866 |
| 2000 | 3.10357 |
| 1999 | 2.78514 |
| 1998 | 2.82827 |
| 1997 | 3.01492 |
| 1996 | 4.20993 |
| 1995 | 4.47315 |
| 1994 | 0.765473 |
| 1993 | 3.71882 |
| 1992 | 2.60963 |
| 1991 | 4.07593 |
| 1990 | 4.01604 |
| 1989 | 9.53801 |
| 1988 | 6.2972 |
| 1987 | 4.13035 |
| 1986 | 4.06287 |
| 1985 | 3.01672 |
| 1984 | 2.59252 |
| 1983 | 3.48251 |
| 1982 | 5.23981 |
| 1981 | 4.91862 |
| 1980 | 3.49391 |
| 1979 | 5.08113 |
| 1978 | 6.37368 |
| 1977 | 8.28516 |
| 1976 | 4.87847 |
| 1975 | 5.7082 |
| 1974 | 5.4116 |
| 1973 | 4.83826 |
| 1972 | 4.87288 |
| 1971 | - |
| 1970 | - |
| 1969 | - |
| 1968 | - |
| 1967 | - |
| 1966 | - |
| 1965 | - |
| 1964 | - |
| 1963 | - |
| 1962 | - |
| 1961 | - |
| 1960 | - |