| 年份 | 南非 |
|---|---|
| 2023 | - |
| 2022 | 31.5223 |
| 2021 | 24.9733 |
| 2020 | 23.1595 |
| 2019 | 26.6959 |
| 2018 | 26.9885 |
| 2017 | 26.1959 |
| 2016 | 27.7052 |
| 2015 | 29.013 |
| 2014 | 30.499 |
| 2013 | 30.4957 |
| 2012 | 28.4435 |
| 2011 | 26.9382 |
| 2010 | 24.6227 |
| 2009 | 24.6048 |
| 2008 | 33.7198 |
| 2007 | 29.1662 |
| 2006 | 27.6699 |
| 2005 | 23.828 |
| 2004 | 22.8861 |
| 2003 | 21.8086 |
| 2002 | 25.0343 |
| 2001 | 22.8143 |
| 2000 | 21.8164 |
| 1999 | 19.9891 |
| 1998 | 21.5165 |
| 1997 | 20.6407 |
| 1996 | 20.4245 |
| 1995 | 19.4402 |
| 1994 | 17.5653 |
| 1993 | 15.7838 |
| 1992 | 15.3662 |
| 1991 | 15.5408 |
| 1990 | 16.6733 |
| 1989 | 18.9929 |
| 1988 | 20.0488 |
| 1987 | 18.0799 |
| 1986 | 19.4013 |
| 1985 | 20.0454 |
| 1984 | 20.8942 |
| 1983 | 18.4884 |
| 1982 | 23.7542 |
| 1981 | 26.9896 |
| 1980 | 24.6363 |
| 1979 | 22.8636 |
| 1978 | 22.5265 |
| 1977 | 21.9276 |
| 1976 | 24.9672 |
| 1975 | 25.9691 |
| 1974 | 24.6418 |
| 1973 | 19.4645 |
| 1972 | 19.3144 |
| 1971 | 22.0198 |
| 1970 | 21.3843 |
| 1969 | 19.5783 |
| 1968 | 19.3345 |
| 1967 | 21.0955 |
| 1966 | 20.1162 |
| 1965 | 23.2244 |
| 1964 | 22.1429 |
| 1963 | 20.1341 |
| 1962 | 17.8887 |
| 1961 | 18.4067 |
| 1960 | 21.2674 |