| 年份 | 南非 |
|---|---|
| 2023 | - |
| 2022 | 19.75 |
| 2021 | 18.486 |
| 2020 | 18.4841 |
| 2019 | 18.6945 |
| 2018 | 20.2937 |
| 2017 | 18.8801 |
| 2016 | 16.1202 |
| 2015 | 18.8851 |
| 2014 | 16.3512 |
| 2013 | 16.7507 |
| 2012 | 19.2028 |
| 2011 | 18.4567 |
| 2010 | 17.235 |
| 2009 | 17.2352 |
| 2008 | 18.5454 |
| 2007 | 18.0271 |
| 2006 | 19.0198 |
| 2005 | 18.0844 |
| 2004 | 17.2743 |
| 2003 | 17.9982 |
| 2002 | 16.6058 |
| 2001 | 17.8286 |
| 2000 | 18.4043 |
| 1999 | 18.4766 |
| 1998 | 18.8103 |
| 1997 | 19.9068 |
| 1996 | 20.0213 |
| 1995 | - |
| 1994 | - |
| 1993 | - |
| 1992 | - |
| 1991 | - |
| 1990 | - |
| 1989 | - |
| 1988 | - |
| 1987 | - |
| 1986 | - |
| 1985 | - |
| 1984 | - |
| 1983 | - |
| 1982 | - |
| 1981 | - |
| 1980 | - |
| 1979 | - |
| 1978 | - |
| 1977 | - |
| 1976 | - |
| 1975 | - |
| 1974 | - |
| 1973 | - |
| 1972 | - |
| 1971 | - |
| 1970 | - |
| 1969 | - |
| 1968 | - |
| 1967 | - |
| 1966 | - |
| 1965 | - |
| 1964 | - |
| 1963 | - |
| 1962 | - |
| 1961 | - |
| 1960 | - |