| 年份 | 南非 |
|---|---|
| 2023 | - |
| 2022 | 1.05687 |
| 2021 | 3.66237 |
| 2020 | -7.10659 |
| 2019 | -1.03013 |
| 2018 | 0.31977 |
| 2017 | 0.766942 |
| 2016 | -0.309171 |
| 2015 | -0.757928 |
| 2014 | -0.172221 |
| 2013 | 1.09946 |
| 2012 | 1.04423 |
| 2011 | 1.87332 |
| 2010 | 1.81774 |
| 2009 | -2.70216 |
| 2008 | 2.0284 |
| 2007 | 4.29765 |
| 2006 | 4.5911 |
| 2005 | 4.28677 |
| 2004 | 3.58123 |
| 2003 | 2.00199 |
| 2002 | 2.76088 |
| 2001 | 1.79444 |
| 2000 | 3.20151 |
| 1999 | 1.26807 |
| 1998 | -0.743024 |
| 1997 | 1.18749 |
| 1996 | 2.72243 |
| 1995 | 1.41682 |
| 1994 | 1.42894 |
| 1993 | -0.586806 |
| 1992 | -4.12846 |
| 1991 | -3.51847 |
| 1990 | -3.33962 |
| 1989 | -0.980961 |
| 1988 | 0.648587 |
| 1987 | -1.40869 |
| 1986 | -3.2079 |
| 1985 | -4.09374 |
| 1984 | 2.20281 |
| 1983 | -4.44249 |
| 1982 | -2.91974 |
| 1981 | 2.68078 |
| 1980 | 3.8467 |
| 1979 | 1.06503 |
| 1978 | 0.273147 |
| 1977 | -2.73687 |
| 1976 | -0.462109 |
| 1975 | -1.06984 |
| 1974 | 3.1724 |
| 1973 | 1.63837 |
| 1972 | -1.20655 |
| 1971 | 1.27647 |
| 1970 | 2.12394 |
| 1969 | 1.56213 |
| 1968 | 0.987474 |
| 1967 | 3.93554 |
| 1966 | 1.25835 |
| 1965 | 2.89221 |
| 1964 | 4.68524 |
| 1963 | 4.1655 |
| 1962 | 3.0619 |
| 1961 | 0.977924 |
| 1960 | - |