| 年份 | 南非 |
|---|---|
| 2023 | - |
| 2022 | 6.68115 |
| 2021 | 6.23396 |
| 2020 | 5.78872 |
| 2019 | 5.41652 |
| 2018 | 5.19556 |
| 2017 | 5.15437 |
| 2016 | 5.28867 |
| 2015 | 5.52541 |
| 2014 | 5.80745 |
| 2013 | 6.10085 |
| 2012 | 6.34389 |
| 2011 | 6.49739 |
| 2010 | 6.55435 |
| 2009 | 6.51884 |
| 2008 | 6.39901 |
| 2007 | 6.20459 |
| 2006 | 5.94766 |
| 2005 | 5.64314 |
| 2004 | 5.30745 |
| 2003 | 4.97374 |
| 2002 | 4.66886 |
| 2001 | 4.41226 |
| 2000 | 4.23292 |
| 1999 | 4.15333 |
| 1998 | 4.16279 |
| 1997 | 4.22881 |
| 1996 | 4.3698 |
| 1995 | 4.55843 |
| 1994 | 4.70836 |
| 1993 | 4.83487 |
| 1992 | 4.94091 |
| 1991 | 4.96645 |
| 1990 | 4.94707 |
| 1989 | 4.94098 |
| 1988 | 4.9155 |
| 1987 | 4.87336 |
| 1986 | 4.83808 |
| 1985 | 4.84335 |
| 1984 | 4.86449 |
| 1983 | 4.8489 |
| 1982 | 4.81234 |
| 1981 | 4.76085 |
| 1980 | 4.68856 |
| 1979 | 4.60509 |
| 1978 | 4.5376 |
| 1977 | 4.48607 |
| 1976 | 4.45597 |
| 1975 | 4.44181 |
| 1974 | 4.43716 |
| 1973 | 4.44547 |
| 1972 | 4.46625 |
| 1971 | 4.49916 |
| 1970 | 4.55103 |
| 1969 | 4.61909 |
| 1968 | 4.69136 |
| 1967 | 4.76547 |
| 1966 | 4.83824 |
| 1965 | 4.90831 |
| 1964 | 4.97633 |
| 1963 | 5.04291 |
| 1962 | 5.10909 |
| 1961 | 5.17334 |
| 1960 | 5.25484 |