| 年份 | 苏丹 |
|---|---|
| 2023 | - |
| 2022 | 4.68595 |
| 2021 | 4.5531 |
| 2020 | 4.41936 |
| 2019 | 4.29643 |
| 2018 | 4.19488 |
| 2017 | 4.12377 |
| 2016 | 4.08643 |
| 2015 | 4.07575 |
| 2014 | 4.08355 |
| 2013 | 4.10633 |
| 2012 | 4.13747 |
| 2011 | 4.17558 |
| 2010 | 4.22627 |
| 2009 | 4.28645 |
| 2008 | 4.3525 |
| 2007 | 4.42119 |
| 2006 | 4.48736 |
| 2005 | 4.55634 |
| 2004 | 4.63064 |
| 2003 | 4.70768 |
| 2002 | 4.78108 |
| 2001 | 4.84409 |
| 2000 | 4.88592 |
| 1999 | 4.89611 |
| 1998 | 4.87072 |
| 1997 | 4.81159 |
| 1996 | 4.72244 |
| 1995 | 4.60283 |
| 1994 | 4.44945 |
| 1993 | 4.27331 |
| 1992 | 4.13321 |
| 1991 | 4.03773 |
| 1990 | 3.94572 |
| 1989 | 3.868 |
| 1988 | 3.79953 |
| 1987 | 3.73293 |
| 1986 | 3.68642 |
| 1985 | 3.65545 |
| 1984 | 3.63568 |
| 1983 | 3.5811 |
| 1982 | 3.52563 |
| 1981 | 3.53638 |
| 1980 | 3.57748 |
| 1979 | 3.63006 |
| 1978 | 3.68975 |
| 1977 | 3.75679 |
| 1976 | 3.82704 |
| 1975 | 3.9031 |
| 1974 | 3.989 |
| 1973 | 4.04483 |
| 1972 | 4.06766 |
| 1971 | 4.09213 |
| 1970 | 4.11786 |
| 1969 | 4.144 |
| 1968 | 4.1692 |
| 1967 | 4.1937 |
| 1966 | 4.21737 |
| 1965 | 4.23848 |
| 1964 | 4.25603 |
| 1963 | 4.22063 |
| 1962 | 4.1296 |
| 1961 | 4.03305 |
| 1960 | 3.93256 |