| 年份 | 南非 |
|---|---|
| 2023 | - |
| 2022 | 2.14193 |
| 2021 | 2.1459 |
| 2020 | 2.12653 |
| 2019 | 2.08178 |
| 2018 | 2.014 |
| 2017 | 1.93717 |
| 2016 | 1.85744 |
| 2015 | 1.79258 |
| 2014 | 1.74604 |
| 2013 | 1.69554 |
| 2012 | 1.64128 |
| 2011 | 1.58596 |
| 2010 | 1.53214 |
| 2009 | 1.48462 |
| 2008 | 1.45132 |
| 2007 | 1.43872 |
| 2006 | 1.44778 |
| 2005 | 1.47303 |
| 2004 | 1.50662 |
| 2003 | 1.54131 |
| 2002 | 1.56786 |
| 2001 | 1.57972 |
| 2000 | 1.57135 |
| 1999 | 1.54045 |
| 1998 | 1.49053 |
| 1997 | 1.42489 |
| 1996 | 1.35334 |
| 1995 | 1.29006 |
| 1994 | 1.24228 |
| 1993 | 1.21184 |
| 1992 | 1.19849 |
| 1991 | 1.1969 |
| 1990 | 1.20411 |
| 1989 | 1.21322 |
| 1988 | 1.21735 |
| 1987 | 1.21794 |
| 1986 | 1.21526 |
| 1985 | 1.22035 |
| 1984 | 1.23603 |
| 1983 | 1.25135 |
| 1982 | 1.26342 |
| 1981 | 1.26985 |
| 1980 | 1.26695 |
| 1979 | 1.25596 |
| 1978 | 1.24247 |
| 1977 | 1.22631 |
| 1976 | 1.20924 |
| 1975 | 1.19085 |
| 1974 | 1.16927 |
| 1973 | 1.14611 |
| 1972 | 1.12288 |
| 1971 | 1.09993 |
| 1970 | 1.08087 |
| 1969 | 1.06737 |
| 1968 | 1.05649 |
| 1967 | 1.04767 |
| 1966 | 1.0416 |
| 1965 | 1.03841 |
| 1964 | 1.03747 |
| 1963 | 1.03782 |
| 1962 | 1.04022 |
| 1961 | 1.04539 |
| 1960 | 1.05244 |