| 年份 | 南非 |
|---|---|
| 2023 | - |
| 2022 | 2.47303 |
| 2021 | 5.83533 |
| 2020 | -6.13272 |
| 2019 | 1.28185 |
| 2018 | 3.16257 |
| 2017 | 1.71421 |
| 2016 | 0.682562 |
| 2015 | 2.15766 |
| 2014 | 0.720125 |
| 2013 | 1.5511 |
| 2012 | 3.22613 |
| 2011 | 4.0536 |
| 2010 | 5.68617 |
| 2009 | -2.59091 |
| 2008 | 1.21104 |
| 2007 | 6.51796 |
| 2006 | 8.77626 |
| 2005 | 6.13343 |
| 2004 | 6.24049 |
| 2003 | 2.83152 |
| 2002 | 3.1726 |
| 2001 | 3.49314 |
| 2000 | 4.13821 |
| 1999 | 1.73772 |
| 1998 | 1.7425 |
| 1997 | 3.25746 |
| 1996 | 4.47178 |
| 1995 | 5.92661 |
| 1994 | 4.00727 |
| 1993 | 1.89076 |
| 1992 | -1.4233 |
| 1991 | -0.517085 |
| 1990 | 2.87346 |
| 1989 | 2.74017 |
| 1988 | 5.31144 |
| 1987 | 3.85535 |
| 1986 | 0.158701 |
| 1985 | -3.4566 |
| 1984 | 4.59517 |
| 1983 | 3.00567 |
| 1982 | 2.09774 |
| 1981 | 7.30386 |
| 1980 | 8.58954 |
| 1979 | 2.47605 |
| 1978 | 1.64009 |
| 1977 | -0.868944 |
| 1976 | 1.57698 |
| 1975 | 3.63025 |
| 1974 | 5.24536 |
| 1973 | 7.58075 |
| 1972 | 4.27655 |
| 1971 | 4.70629 |
| 1970 | 6.55446 |
| 1969 | 6.96208 |
| 1968 | 7.35407 |
| 1967 | 4.48781 |
| 1966 | 4.67049 |
| 1965 | 3.59469 |
| 1964 | 8.18929 |
| 1963 | 6.45092 |
| 1962 | 3.1149 |
| 1961 | 2.14644 |
| 1960 | - |