| 年份 | 南非  | 
                                                            
|---|---|
| 2023 | - | 
| 2022 | 1.45686 | 
| 2021 | 1.47888 | 
| 2020 | 1.47598 | 
| 2019 | 1.44845 | 
| 2018 | 1.41982 | 
| 2017 | 1.39345 | 
| 2016 | 1.36223 | 
| 2015 | 1.34741 | 
| 2014 | 1.34906 | 
| 2013 | 1.3422 | 
| 2012 | 1.3253 | 
| 2011 | 1.30186 | 
| 2010 | 1.26952 | 
| 2009 | 1.22485 | 
| 2008 | 1.17389 | 
| 2007 | 1.11896 | 
| 2006 | 1.06238 | 
| 2005 | 1.00593 | 
| 2004 | 0.952651 | 
| 2003 | 0.908279 | 
| 2002 | 0.873744 | 
| 2001 | 0.844412 | 
| 2000 | 0.816231 | 
| 1999 | 0.789022 | 
| 1998 | 0.765046 | 
| 1997 | 0.742274 | 
| 1996 | 0.722905 | 
| 1995 | 0.709078 | 
| 1994 | 0.699673 | 
| 1993 | 0.69222 | 
| 1992 | 0.684348 | 
| 1991 | 0.674508 | 
| 1990 | 0.665721 | 
| 1989 | 0.660091 | 
| 1988 | 0.654252 | 
| 1987 | 0.64734 | 
| 1986 | 0.639246 | 
| 1985 | 0.635744 | 
| 1984 | 0.635415 | 
| 1983 | 0.630546 | 
| 1982 | 0.622594 | 
| 1981 | 0.61213 | 
| 1980 | 0.598042 | 
| 1979 | 0.581864 | 
| 1978 | 0.566185 | 
| 1977 | 0.551271 | 
| 1976 | 0.538997 | 
| 1975 | 0.529324 | 
| 1974 | 0.521111 | 
| 1973 | 0.51394 | 
| 1972 | 0.507871 | 
| 1971 | 0.503293 | 
| 1970 | 0.501455 | 
| 1969 | 0.502587 | 
| 1968 | 0.505143 | 
| 1967 | 0.508385 | 
| 1966 | 0.512122 | 
| 1965 | 0.516438 | 
| 1964 | 0.521301 | 
| 1963 | 0.526584 | 
| 1962 | 0.532371 | 
| 1961 | 0.538775 | 
| 1960 | 0.545742 |