| 年份 | 苏丹 |
|---|---|
| 2023 | - |
| 2022 | - |
| 2021 | 6.799 |
| 2020 | 6.67 |
| 2019 | 6.586 |
| 2018 | 6.647 |
| 2017 | 6.728 |
| 2016 | 6.974 |
| 2015 | 7.012 |
| 2014 | 7.143 |
| 2013 | 7.36 |
| 2012 | 7.312 |
| 2011 | 7.541 |
| 2010 | 7.648 |
| 2009 | 7.787 |
| 2008 | 8.381 |
| 2007 | 8.319 |
| 2006 | 8.705 |
| 2005 | 10.065 |
| 2004 | 10.325 |
| 2003 | 9.677 |
| 2002 | 9.34 |
| 2001 | 9.56 |
| 2000 | 9.699 |
| 1999 | 10.337 |
| 1998 | 14.803 |
| 1997 | 12.566 |
| 1996 | 12.94 |
| 1995 | 13.189 |
| 1994 | 10.879 |
| 1993 | 16.68 |
| 1992 | 17.206 |
| 1991 | 14.501 |
| 1990 | 14.831 |
| 1989 | 15.118 |
| 1988 | 25.865 |
| 1987 | 19.307 |
| 1986 | 14.094 |
| 1985 | 17.679 |
| 1984 | 17.913 |
| 1983 | 17.231 |
| 1982 | 12.817 |
| 1981 | 12.969 |
| 1980 | 13.08 |
| 1979 | 13.307 |
| 1978 | 13.408 |
| 1977 | 13.348 |
| 1976 | 13.488 |
| 1975 | 13.592 |
| 1974 | 13.742 |
| 1973 | 13.893 |
| 1972 | 15.715 |
| 1971 | 15.972 |
| 1970 | 18.502 |
| 1969 | 18.799 |
| 1968 | 18.608 |
| 1967 | 18.918 |
| 1966 | 19.239 |
| 1965 | 17.755 |
| 1964 | 16.259 |
| 1963 | 18.276 |
| 1962 | 17.538 |
| 1961 | 17.767 |
| 1960 | 18.09 |