| 年份 | 南非 |
|---|---|
| 2023 | - |
| 2022 | 4.82296 |
| 2021 | 4.90022 |
| 2020 | 4.89674 |
| 2019 | 4.82021 |
| 2018 | 4.68144 |
| 2017 | 4.49338 |
| 2016 | 4.25471 |
| 2015 | 4.00845 |
| 2014 | 3.76924 |
| 2013 | 3.53238 |
| 2012 | 3.32096 |
| 2011 | 3.15221 |
| 2010 | 3.04576 |
| 2009 | 3.01234 |
| 2008 | 3.04364 |
| 2007 | 3.1155 |
| 2006 | 3.20249 |
| 2005 | 3.27935 |
| 2004 | 3.3259 |
| 2003 | 3.34906 |
| 2002 | 3.34533 |
| 2001 | 3.30729 |
| 2000 | 3.24812 |
| 1999 | 3.17883 |
| 1998 | 3.0898 |
| 1997 | 2.99262 |
| 1996 | 2.94682 |
| 1995 | 2.94992 |
| 1994 | 2.95284 |
| 1993 | 2.95173 |
| 1992 | 2.94385 |
| 1991 | 2.88974 |
| 1990 | 2.80573 |
| 1989 | 2.73373 |
| 1988 | 2.67332 |
| 1987 | 2.62781 |
| 1986 | 2.59812 |
| 1985 | 2.65591 |
| 1984 | 2.77208 |
| 1983 | 2.86202 |
| 1982 | 2.93359 |
| 1981 | 2.98389 |
| 1980 | 3.01341 |
| 1979 | 3.03081 |
| 1978 | 3.05307 |
| 1977 | 3.07903 |
| 1976 | 3.10008 |
| 1975 | 3.11733 |
| 1974 | 3.13816 |
| 1973 | 3.16196 |
| 1972 | 3.18915 |
| 1971 | 3.21741 |
| 1970 | 3.24993 |
| 1969 | 3.2897 |
| 1968 | 3.33404 |
| 1967 | 3.38104 |
| 1966 | 3.4279 |
| 1965 | 3.47398 |
| 1964 | 3.51807 |
| 1963 | 3.55741 |
| 1962 | 3.59178 |
| 1961 | 3.61834 |
| 1960 | 3.67874 |