| 年份 | 苏丹 |
|---|---|
| 2023 | - |
| 2022 | 4.96921 |
| 2021 | 4.79086 |
| 2020 | 4.60158 |
| 2019 | 4.41288 |
| 2018 | 4.23683 |
| 2017 | 4.08142 |
| 2016 | 3.95122 |
| 2015 | 3.84263 |
| 2014 | 3.74834 |
| 2013 | 3.67027 |
| 2012 | 3.60815 |
| 2011 | 3.5623 |
| 2010 | 3.53894 |
| 2009 | 3.52963 |
| 2008 | 3.53177 |
| 2007 | 3.54849 |
| 2006 | 3.57628 |
| 2005 | 3.62189 |
| 2004 | 3.69095 |
| 2003 | 3.7838 |
| 2002 | 3.89349 |
| 2001 | 4.01293 |
| 2000 | 4.13137 |
| 1999 | 4.23729 |
| 1998 | 4.32882 |
| 1997 | 4.40015 |
| 1996 | 4.44648 |
| 1995 | 4.46629 |
| 1994 | 4.44949 |
| 1993 | 4.40692 |
| 1992 | 4.36721 |
| 1991 | 4.32835 |
| 1990 | 4.28052 |
| 1989 | 4.23531 |
| 1988 | 4.19487 |
| 1987 | 4.14388 |
| 1986 | 4.08483 |
| 1985 | 4.02823 |
| 1984 | 3.98106 |
| 1983 | 3.93043 |
| 1982 | 3.88159 |
| 1981 | 3.85255 |
| 1980 | 3.83402 |
| 1979 | 3.82285 |
| 1978 | 3.81842 |
| 1977 | 3.82104 |
| 1976 | 3.83218 |
| 1975 | 3.85399 |
| 1974 | 3.88646 |
| 1973 | 3.91666 |
| 1972 | 3.94319 |
| 1971 | 3.97656 |
| 1970 | 4.01561 |
| 1969 | 4.05786 |
| 1968 | 4.10202 |
| 1967 | 4.14719 |
| 1966 | 4.19041 |
| 1965 | 4.22788 |
| 1964 | 4.25914 |
| 1963 | 4.23461 |
| 1962 | 4.1503 |
| 1961 | 4.05849 |
| 1960 | 3.96355 |