| 年份 | 南非 |
|---|---|
| 2023 | - |
| 2022 | - |
| 2021 | 0.395954 |
| 2020 | 0.213036 |
| 2019 | 0.37282 |
| 2018 | 0.407107 |
| 2017 | 0.291333 |
| 2016 | 0.182132 |
| 2015 | 0.194338 |
| 2014 | 0.692857 |
| 2013 | 0.949068 |
| 2012 | 0.980058 |
| 2011 | 0.964146 |
| 2010 | 0.70788 |
| 2009 | 0.593296 |
| 2008 | 1.37927 |
| 2007 | 0.953697 |
| 2006 | 0.921714 |
| 2005 | 0.868907 |
| 2004 | 0.667895 |
| 2003 | 0.536032 |
| 2002 | 0.832635 |
| 2001 | 0.74523 |
| 2000 | 0.875739 |
| 1999 | 0.379938 |
| 1998 | 0.249196 |
| 1997 | 0.464344 |
| 1996 | 0.51724 |
| 1995 | 0.411957 |
| 1994 | 0.389977 |
| 1993 | 0.490739 |
| 1992 | 0.358925 |
| 1991 | 0.186433 |
| 1990 | 0.36889 |
| 1989 | 0.319466 |
| 1988 | 0.161667 |
| 1987 | 0.229737 |
| 1986 | 0.129578 |
| 1985 | 0.429009 |
| 1984 | 0.274577 |
| 1983 | 0.207673 |
| 1982 | 0.0406484 |
| 1981 | 0.019182 |
| 1980 | - |
| 1979 | - |
| 1978 | - |
| 1977 | - |
| 1976 | - |
| 1975 | - |
| 1974 | - |
| 1973 | - |
| 1972 | - |
| 1971 | - |
| 1970 | - |
| 1969 | - |
| 1968 | - |
| 1967 | - |
| 1966 | - |
| 1965 | - |
| 1964 | - |
| 1963 | - |
| 1962 | - |
| 1961 | - |
| 1960 | - |