| 年份 | 南非 |
|---|---|
| 2023 | - |
| 2022 | 8.81627 |
| 2021 | 8.56037 |
| 2020 | 8.32862 |
| 2019 | 8.09914 |
| 2018 | 7.79564 |
| 2017 | 7.39442 |
| 2016 | 6.95226 |
| 2015 | 6.48607 |
| 2014 | 6.04994 |
| 2013 | 5.81221 |
| 2012 | 5.79926 |
| 2011 | 5.98186 |
| 2010 | 6.3025 |
| 2009 | 6.69068 |
| 2008 | 7.08223 |
| 2007 | 7.40644 |
| 2006 | 7.61767 |
| 2005 | 7.70838 |
| 2004 | 7.67849 |
| 2003 | 7.52953 |
| 2002 | 7.27643 |
| 2001 | 6.93382 |
| 2000 | 6.51303 |
| 1999 | 6.05466 |
| 1998 | 5.61999 |
| 1997 | 5.24401 |
| 1996 | 4.99915 |
| 1995 | 4.92083 |
| 1994 | 4.95922 |
| 1993 | 5.09795 |
| 1992 | 5.30412 |
| 1991 | 5.49483 |
| 1990 | 5.62953 |
| 1989 | 5.72017 |
| 1988 | 5.79543 |
| 1987 | 5.85862 |
| 1986 | 5.89577 |
| 1985 | 6.01858 |
| 1984 | 6.18964 |
| 1983 | 6.26115 |
| 1982 | 6.2574 |
| 1981 | 6.21347 |
| 1980 | 6.0951 |
| 1979 | 5.91815 |
| 1978 | 5.74017 |
| 1977 | 5.57024 |
| 1976 | 5.43954 |
| 1975 | 5.34847 |
| 1974 | 5.27422 |
| 1973 | 5.21821 |
| 1972 | 5.18037 |
| 1971 | 5.16276 |
| 1970 | 5.17724 |
| 1969 | 5.22042 |
| 1968 | 5.2751 |
| 1967 | 5.33986 |
| 1966 | 5.41324 |
| 1965 | 5.49299 |
| 1964 | 5.57762 |
| 1963 | 5.66523 |
| 1962 | 5.75271 |
| 1961 | 5.83713 |
| 1960 | 5.9156 |