| 年份 | 南非 |
|---|---|
| 2023 | - |
| 2022 | - |
| 2021 | 2.44111 |
| 2020 | 1.61371 |
| 2019 | 1.75865 |
| 2018 | 2.27988 |
| 2017 | 2.06163 |
| 2016 | 1.80361 |
| 2015 | 1.49328 |
| 2014 | 1.94752 |
| 2013 | 2.49703 |
| 2012 | 2.88108 |
| 2011 | 3.94333 |
| 2010 | 3.41376 |
| 2009 | 2.33294 |
| 2008 | 7.24774 |
| 2007 | 3.11781 |
| 2006 | 2.39588 |
| 2005 | 2.31202 |
| 2004 | 3.22676 |
| 2003 | 1.35454 |
| 2002 | 1.67773 |
| 2001 | 2.46569 |
| 2000 | 1.27706 |
| 1999 | 0.896045 |
| 1998 | 1.32809 |
| 1997 | 1.6162 |
| 1996 | 1.92416 |
| 1995 | 2.06186 |
| 1994 | 1.54405 |
| 1993 | 1.51673 |
| 1992 | 1.92635 |
| 1991 | 2.37983 |
| 1990 | 2.57214 |
| 1989 | 2.84396 |
| 1988 | 2.55602 |
| 1987 | 2.16957 |
| 1986 | 3.94891 |
| 1985 | 5.59997 |
| 1984 | 3.66691 |
| 1983 | 3.56972 |
| 1982 | 5.92613 |
| 1981 | 4.8399 |
| 1980 | 3.14451 |
| 1979 | 3.04912 |
| 1978 | 3.22264 |
| 1977 | 3.6134 |
| 1976 | 3.43203 |
| 1975 | 2.84478 |
| 1974 | 1.42395 |
| 1973 | 0.956714 |
| 1972 | 0.999118 |
| 1971 | 0.956268 |
| 1970 | - |
| 1969 | - |
| 1968 | - |
| 1967 | - |
| 1966 | - |
| 1965 | - |
| 1964 | - |
| 1963 | - |
| 1962 | - |
| 1961 | - |
| 1960 | - |