| 年份 | 南非 |
|---|---|
| 2023 | - |
| 2022 | - |
| 2021 | 0.630267 |
| 2020 | 0.743379 |
| 2019 | 0.645394 |
| 2018 | 0.649985 |
| 2017 | 0.604883 |
| 2016 | 0.651867 |
| 2015 | 0.612356 |
| 2014 | 0.585653 |
| 2013 | 0.568011 |
| 2012 | 0.582238 |
| 2011 | 0.443222 |
| 2010 | 0.491012 |
| 2009 | 0.673969 |
| 2008 | 0.823847 |
| 2007 | 0.581382 |
| 2006 | 0.657014 |
| 2005 | 0.577919 |
| 2004 | 0.506569 |
| 2003 | 0.887761 |
| 2002 | 1.103 |
| 2001 | 0.87554 |
| 2000 | 0.822466 |
| 1999 | 0.768764 |
| 1998 | 0.878871 |
| 1997 | 0.845083 |
| 1996 | 0.95234 |
| 1995 | 0.907275 |
| 1994 | 0.854595 |
| 1993 | 0.775061 |
| 1992 | 0.763234 |
| 1991 | 0.844968 |
| 1990 | 1.01196 |
| 1989 | 1.02123 |
| 1988 | 0.905108 |
| 1987 | 1.07941 |
| 1986 | 1.06644 |
| 1985 | 1.01218 |
| 1984 | 0.607984 |
| 1983 | 0.587118 |
| 1982 | 0.784319 |
| 1981 | 0.671751 |
| 1980 | 0.786731 |
| 1979 | 0.961331 |
| 1978 | 0.837766 |
| 1977 | 0.768916 |
| 1976 | 0.770178 |
| 1975 | 0.747452 |
| 1974 | 0.649685 |
| 1973 | 0.598376 |
| 1972 | 0.586781 |
| 1971 | 0.618457 |
| 1970 | 0.729906 |
| 1969 | - |
| 1968 | - |
| 1967 | - |
| 1966 | - |
| 1965 | - |
| 1964 | - |
| 1963 | - |
| 1962 | - |
| 1961 | - |
| 1960 | - |