| 年份 | 南非 |
|---|---|
| 2023 | - |
| 2022 | - |
| 2021 | 6.9 |
| 2020 | 7.35 |
| 2019 | 8.14 |
| 2018 | 8.95 |
| 2017 | 10.1 |
| 2016 | 11.09 |
| 2015 | 11.79 |
| 2014 | 12.61 |
| 2013 | 13.41 |
| 2012 | 14.31 |
| 2011 | 15.03 |
| 2010 | 15.62 |
| 2009 | 16.17 |
| 2008 | 16.64 |
| 2007 | 17.15 |
| 2006 | 17.71 |
| 2005 | 18.39 |
| 2004 | 19.11 |
| 2003 | 19.84 |
| 2002 | 20.6 |
| 2001 | 21.22 |
| 2000 | 21.56 |
| 1999 | 21.51 |
| 1998 | 21.02 |
| 1997 | 20.02 |
| 1996 | 18.46 |
| 1995 | 16.36 |
| 1994 | 13.88 |
| 1993 | 11.22 |
| 1992 | 8.64 |
| 1991 | 6.28 |
| 1990 | 4.26 |
| 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 | - |