| 年份 | 南非 |
|---|---|
| 2023 | - |
| 2022 | 8.98922 |
| 2021 | 9.138 |
| 2020 | 9.19484 |
| 2019 | 9.1112 |
| 2018 | 8.94246 |
| 2017 | 8.73574 |
| 2016 | 8.4316 |
| 2015 | 8.19431 |
| 2014 | 8.07112 |
| 2013 | 7.88699 |
| 2012 | 7.68149 |
| 2011 | 7.513 |
| 2010 | 7.37293 |
| 2009 | 7.24414 |
| 2008 | 7.12578 |
| 2007 | 7.02043 |
| 2006 | 6.93478 |
| 2005 | 6.85843 |
| 2004 | 6.79508 |
| 2003 | 6.76711 |
| 2002 | 6.77366 |
| 2001 | 6.80561 |
| 2000 | 6.8594 |
| 1999 | 6.93538 |
| 1998 | 7.02228 |
| 1997 | 7.09718 |
| 1996 | 7.11514 |
| 1995 | 7.0816 |
| 1994 | 7.03505 |
| 1993 | 6.95512 |
| 1992 | 6.84264 |
| 1991 | 6.74405 |
| 1990 | 6.69989 |
| 1989 | 6.69958 |
| 1988 | 6.72116 |
| 1987 | 6.76064 |
| 1986 | 6.82034 |
| 1985 | 6.85047 |
| 1984 | 6.84851 |
| 1983 | 6.85598 |
| 1982 | 6.85408 |
| 1981 | 6.832 |
| 1980 | 6.8139 |
| 1979 | 6.80803 |
| 1978 | 6.80018 |
| 1977 | 6.79254 |
| 1976 | 6.76406 |
| 1975 | 6.71973 |
| 1974 | 6.67975 |
| 1973 | 6.64072 |
| 1972 | 6.60194 |
| 1971 | 6.55505 |
| 1970 | 6.49119 |
| 1969 | 6.41702 |
| 1968 | 6.34618 |
| 1967 | 6.28113 |
| 1966 | 6.22305 |
| 1965 | 6.17613 |
| 1964 | 6.14476 |
| 1963 | 6.13849 |
| 1962 | 6.15672 |
| 1961 | 6.19065 |
| 1960 | 6.24147 |