| 年份 | 南非 |
|---|---|
| 2023 | - |
| 2022 | -0.68832 |
| 2021 | -0.522736 |
| 2020 | -0.290761 |
| 2019 | -0.205198 |
| 2018 | -0.264285 |
| 2017 | -1.09221 |
| 2016 | -0.497284 |
| 2015 | 0.617599 |
| 2014 | 0.132497 |
| 2013 | -0.0670747 |
| 2012 | -0.09283 |
| 2011 | -0.143944 |
| 2010 | -0.202612 |
| 2009 | -0.192286 |
| 2008 | -0.242375 |
| 2007 | -0.345418 |
| 2006 | -0.382413 |
| 2005 | -0.387917 |
| 2004 | -0.38981 |
| 2003 | -0.385939 |
| 2002 | -0.340889 |
| 2001 | -0.227003 |
| 2000 | -0.144439 |
| 1999 | 0.0141079 |
| 1998 | 0.159021 |
| 1997 | 0.310182 |
| 1996 | 0.461644 |
| 1995 | 0.592592 |
| 1994 | 0.686428 |
| 1993 | 0.780727 |
| 1992 | 1.03056 |
| 1991 | 1.47463 |
| 1990 | 1.97531 |
| 1989 | 2.25929 |
| 1988 | 2.38654 |
| 1987 | 2.42598 |
| 1986 | 2.21997 |
| 1985 | 2.40156 |
| 1984 | 2.46898 |
| 1983 | 2.35591 |
| 1982 | 2.25758 |
| 1981 | 2.25419 |
| 1980 | 2.48883 |
| 1979 | 2.54495 |
| 1978 | 2.5812 |
| 1977 | 2.56517 |
| 1976 | 2.57241 |
| 1975 | 2.64126 |
| 1974 | 2.69313 |
| 1973 | 2.73012 |
| 1972 | 2.74002 |
| 1971 | 2.8065 |
| 1970 | 2.81288 |
| 1969 | 2.84027 |
| 1968 | 2.86953 |
| 1967 | 2.87248 |
| 1966 | 2.87587 |
| 1965 | 2.87563 |
| 1964 | 2.84596 |
| 1963 | 2.81851 |
| 1962 | 2.76604 |
| 1961 | 2.473 |
| 1960 | - |