| 年份 | 苏丹 |
|---|---|
| 2023 | - |
| 2022 | 9.09819 |
| 2021 | 9.1331 |
| 2020 | 9.16838 |
| 2019 | 9.21633 |
| 2018 | 9.27359 |
| 2017 | 9.31554 |
| 2016 | 9.35213 |
| 2015 | 9.41178 |
| 2014 | 9.49057 |
| 2013 | 9.6037 |
| 2012 | 9.7608 |
| 2011 | 9.96812 |
| 2010 | 10.2095 |
| 2009 | 10.3966 |
| 2008 | 10.5273 |
| 2007 | 10.6262 |
| 2006 | 10.649 |
| 2005 | 10.5887 |
| 2004 | 10.4733 |
| 2003 | 10.3172 |
| 2002 | 10.1098 |
| 2001 | 9.8514 |
| 2000 | 9.55488 |
| 1999 | 9.23738 |
| 1998 | 8.94487 |
| 1997 | 8.69954 |
| 1996 | 8.49491 |
| 1995 | 8.32797 |
| 1994 | 8.18459 |
| 1993 | 8.07173 |
| 1992 | 8.02785 |
| 1991 | 8.02678 |
| 1990 | 8.02731 |
| 1989 | 8.04681 |
| 1988 | 8.11325 |
| 1987 | 8.20298 |
| 1986 | 8.27515 |
| 1985 | 8.34138 |
| 1984 | 8.41566 |
| 1983 | 8.47152 |
| 1982 | 8.50251 |
| 1981 | 8.53921 |
| 1980 | 8.57815 |
| 1979 | 8.61321 |
| 1978 | 8.63946 |
| 1977 | 8.65132 |
| 1976 | 8.64928 |
| 1975 | 8.62763 |
| 1974 | 8.56518 |
| 1973 | 8.50054 |
| 1972 | 8.47761 |
| 1971 | 8.47484 |
| 1970 | 8.47227 |
| 1969 | 8.48374 |
| 1968 | 8.49783 |
| 1967 | 8.48455 |
| 1966 | 8.46472 |
| 1965 | 8.45184 |
| 1964 | 8.45283 |
| 1963 | 8.47518 |
| 1962 | 8.51514 |
| 1961 | 8.55959 |
| 1960 | 8.60263 |