| 年份 | 南非 |
|---|---|
| 2023 | - |
| 2022 | - |
| 2021 | 3.83187 |
| 2020 | 1.42688 |
| 2019 | 1.38576 |
| 2018 | 0.509756 |
| 2017 | 0.865007 |
| 2016 | 0.908659 |
| 2015 | 0.484685 |
| 2014 | 1.41413 |
| 2013 | 2.06618 |
| 2012 | 1.93209 |
| 2011 | 2.4334 |
| 2010 | 2.20832 |
| 2009 | 1.31415 |
| 2008 | 2.50225 |
| 2007 | 1.68097 |
| 2006 | 1.21413 |
| 2005 | 0.793862 |
| 2004 | 0.347547 |
| 2003 | 0.187701 |
| 2002 | 1.00849 |
| 2001 | 0.801836 |
| 2000 | 0.706163 |
| 1999 | 0.422086 |
| 1998 | 0.643077 |
| 1997 | 0.74579 |
| 1996 | 1.22411 |
| 1995 | 0.629559 |
| 1994 | 1.95362 |
| 1993 | 1.64733 |
| 1992 | 1.39137 |
| 1991 | 2.01762 |
| 1990 | 1.72038 |
| 1989 | 2.31497 |
| 1988 | 3.27733 |
| 1987 | 3.62462 |
| 1986 | 3.51555 |
| 1985 | 3.80391 |
| 1984 | 0.810958 |
| 1983 | 4.74084 |
| 1982 | 4.03024 |
| 1981 | 5.49012 |
| 1980 | 9.59607 |
| 1979 | 3.8549 |
| 1978 | 0.670401 |
| 1977 | 1.14638 |
| 1976 | 0.947042 |
| 1975 | 0.972807 |
| 1974 | 2.09825 |
| 1973 | 0.905103 |
| 1972 | 0.665058 |
| 1971 | 0.697571 |
| 1970 | 0.933291 |
| 1969 | - |
| 1968 | - |
| 1967 | - |
| 1966 | - |
| 1965 | - |
| 1964 | - |
| 1963 | - |
| 1962 | - |
| 1961 | - |
| 1960 | - |