| 年份 | 苏丹 |
|---|---|
| 2023 | - |
| 2022 | 0.53785 |
| 2021 | 0.506589 |
| 2020 | 0.478648 |
| 2019 | 0.453993 |
| 2018 | 0.434181 |
| 2017 | 0.420244 |
| 2016 | 0.41144 |
| 2015 | 0.40671 |
| 2014 | 0.405573 |
| 2013 | 0.40764 |
| 2012 | 0.41275 |
| 2011 | 0.421656 |
| 2010 | 0.43458 |
| 2009 | 0.451076 |
| 2008 | 0.470979 |
| 2007 | 0.493248 |
| 2006 | 0.51502 |
| 2005 | 0.534411 |
| 2004 | 0.549694 |
| 2003 | 0.557409 |
| 2002 | 0.555884 |
| 2001 | 0.548562 |
| 2000 | 0.539057 |
| 1999 | 0.527802 |
| 1998 | 0.513562 |
| 1997 | 0.494913 |
| 1996 | 0.474508 |
| 1995 | 0.455077 |
| 1994 | 0.43532 |
| 1993 | 0.428795 |
| 1992 | 0.433385 |
| 1991 | 0.431697 |
| 1990 | 0.427449 |
| 1989 | 0.423666 |
| 1988 | 0.42843 |
| 1987 | 0.436794 |
| 1986 | 0.436217 |
| 1985 | 0.43334 |
| 1984 | 0.432708 |
| 1983 | 0.433911 |
| 1982 | 0.435303 |
| 1981 | 0.435823 |
| 1980 | 0.436998 |
| 1979 | 0.438424 |
| 1978 | 0.439825 |
| 1977 | 0.441108 |
| 1976 | 0.442931 |
| 1975 | 0.446204 |
| 1974 | 0.451396 |
| 1973 | 0.458172 |
| 1972 | 0.466883 |
| 1971 | 0.476961 |
| 1970 | 0.486369 |
| 1969 | 0.494514 |
| 1968 | 0.500252 |
| 1967 | 0.503695 |
| 1966 | 0.506929 |
| 1965 | 0.510796 |
| 1964 | 0.514382 |
| 1963 | 0.517756 |
| 1962 | 0.521433 |
| 1961 | 0.524852 |
| 1960 | 0.528139 |