| 年份 | 南非 |
|---|---|
| 2023 | - |
| 2022 | 1.61479 |
| 2021 | 4.78338 |
| 2020 | -7.27389 |
| 2019 | -0.0213636 |
| 2018 | 1.906 |
| 2017 | 1.32106 |
| 2016 | -0.291336 |
| 2015 | 0.0607094 |
| 2014 | -0.855073 |
| 2013 | 0.17773 |
| 2012 | 1.86317 |
| 2011 | 2.74725 |
| 2010 | 4.43279 |
| 2009 | -3.74253 |
| 2008 | 0.0707053 |
| 2007 | 5.44346 |
| 2006 | 7.73313 |
| 2005 | 5.13509 |
| 2004 | 5.25147 |
| 2003 | 1.88552 |
| 2002 | 2.23788 |
| 2001 | 2.58059 |
| 2000 | 3.14031 |
| 1999 | 0.613115 |
| 1998 | 0.484113 |
| 1997 | 1.8359 |
| 1996 | 2.89161 |
| 1995 | 4.19729 |
| 1994 | 2.22235 |
| 1993 | 0.05858 |
| 1992 | -3.42925 |
| 1991 | -3.02997 |
| 1990 | -0.245138 |
| 1989 | -0.64697 |
| 1988 | 1.72203 |
| 1987 | 0.28562 |
| 1986 | -3.07159 |
| 1985 | -6.2733 |
| 1984 | 1.71272 |
| 1983 | 0.281413 |
| 1982 | -0.50175 |
| 1981 | 4.57442 |
| 1980 | 5.76444 |
| 1979 | -0.214923 |
| 1978 | -1.06466 |
| 1977 | -3.49133 |
| 1976 | -1.11714 |
| 1975 | 0.812364 |
| 1974 | 2.33061 |
| 1973 | 4.56277 |
| 1972 | 1.34137 |
| 1971 | 1.69152 |
| 1970 | 3.39096 |
| 1969 | 3.74067 |
| 1968 | 4.09088 |
| 1967 | 1.30922 |
| 1966 | 1.48339 |
| 1965 | 0.441059 |
| 1964 | 4.92739 |
| 1963 | 3.27028 |
| 1962 | 0.0887605 |
| 1961 | -0.673485 |
| 1960 | - |