| 年份 | 南非 |
|---|---|
| 2023 | - |
| 2022 | - |
| 2021 | 7.32858 |
| 2020 | 4.01778 |
| 2019 | 4.18782 |
| 2018 | 3.86949 |
| 2017 | 3.83559 |
| 2016 | 3.5616 |
| 2015 | 2.80795 |
| 2014 | 4.66573 |
| 2013 | 6.11153 |
| 2012 | 6.40436 |
| 2011 | 7.81466 |
| 2010 | 6.84683 |
| 2009 | 4.93797 |
| 2008 | 11.9901 |
| 2007 | 6.36571 |
| 2006 | 5.2274 |
| 2005 | 4.56849 |
| 2004 | 4.77964 |
| 2003 | 2.99087 |
| 2002 | 4.67923 |
| 2001 | 4.94659 |
| 2000 | 3.71688 |
| 1999 | 2.48859 |
| 1998 | 3.11345 |
| 1997 | 3.69266 |
| 1996 | 4.6427 |
| 1995 | 4.03563 |
| 1994 | 4.76625 |
| 1993 | 4.4535 |
| 1992 | 4.45679 |
| 1991 | 5.44866 |
| 1990 | 5.69756 |
| 1989 | 6.49962 |
| 1988 | 6.90012 |
| 1987 | 7.10334 |
| 1986 | 8.66049 |
| 1985 | 10.8451 |
| 1984 | 5.36043 |
| 1983 | 9.10536 |
| 1982 | 10.7813 |
| 1981 | 11.021 |
| 1980 | 13.5273 |
| 1979 | 7.86535 |
| 1978 | 4.7308 |
| 1977 | 5.52869 |
| 1976 | 5.14925 |
| 1975 | 4.56504 |
| 1974 | 4.17188 |
| 1973 | 2.46019 |
| 1972 | 2.25096 |
| 1971 | 2.2723 |
| 1970 | 1.6632 |
| 1969 | - |
| 1968 | - |
| 1967 | - |
| 1966 | - |
| 1965 | - |
| 1964 | - |
| 1963 | - |
| 1962 | - |
| 1961 | - |
| 1960 | - |