| 年份 | 苏丹 |
|---|---|
| 2023 | - |
| 2022 | 17.8527 |
| 2021 | 10.9563 |
| 2020 | 14.4454 |
| 2019 | 6.17094 |
| 2018 | 6.71404 |
| 2017 | 6.4296 |
| 2016 | 5.58846 |
| 2015 | 6.17444 |
| 2014 | 6.08247 |
| 2013 | 6.39875 |
| 2012 | 6.45206 |
| 2011 | 6.25205 |
| 2010 | 9.45187 |
| 2009 | 11.3756 |
| 2008 | 10.1354 |
| 2007 | 11.1474 |
| 2006 | 10.925 |
| 2005 | 10.4083 |
| 2004 | 12.3312 |
| 2003 | 10.149 |
| 2002 | 8.49138 |
| 2001 | 8.69899 |
| 2000 | 9.07786 |
| 1999 | 6.47877 |
| 1998 | 6.22492 |
| 1997 | 5.41656 |
| 1996 | 5.5585 |
| 1995 | 5.49436 |
| 1994 | 4.8351 |
| 1993 | 5.59063 |
| 1992 | 7.26866 |
| 1991 | 8.6903 |
| 1990 | 5.77995 |
| 1989 | 6.95479 |
| 1988 | 6.95771 |
| 1987 | 12.7619 |
| 1986 | 13.7928 |
| 1985 | 12.3619 |
| 1984 | 9.64519 |
| 1983 | 9.43996 |
| 1982 | 9.86051 |
| 1981 | 12.9786 |
| 1980 | 15.8627 |
| 1979 | 14.4344 |
| 1978 | 12.0266 |
| 1977 | 11.669 |
| 1976 | 12.1406 |
| 1975 | 13.0344 |
| 1974 | 14.0878 |
| 1973 | 16.1456 |
| 1972 | 18.0315 |
| 1971 | 19.2018 |
| 1970 | 21.0174 |
| 1969 | 21.7939 |
| 1968 | 20.9517 |
| 1967 | 19.4211 |
| 1966 | 19.23 |
| 1965 | 15.5617 |
| 1964 | 14.336 |
| 1963 | 12.6249 |
| 1962 | 11.2649 |
| 1961 | 10.4979 |
| 1960 | 9.71443 |