| 年份 | 苏丹 |
|---|---|
| 2023 | - |
| 2022 | 1.96823 |
| 2021 | 1.9826 |
| 2020 | 2.00903 |
| 2019 | 2.0466 |
| 2018 | 2.09404 |
| 2017 | 2.15144 |
| 2016 | 2.21673 |
| 2015 | 2.28422 |
| 2014 | 2.34677 |
| 2013 | 2.3977 |
| 2012 | 2.43237 |
| 2011 | 2.45018 |
| 2010 | 2.4502 |
| 2009 | 2.43169 |
| 2008 | 2.39862 |
| 2007 | 2.35629 |
| 2006 | 2.30208 |
| 2005 | 2.23567 |
| 2004 | 2.16445 |
| 2003 | 2.08617 |
| 2002 | 1.99596 |
| 2001 | 1.9024 |
| 2000 | 1.81253 |
| 1999 | 1.73072 |
| 1998 | 1.66364 |
| 1997 | 1.61103 |
| 1996 | 1.56963 |
| 1995 | 1.54143 |
| 1994 | 1.52581 |
| 1993 | 1.52733 |
| 1992 | 1.54498 |
| 1991 | 1.56741 |
| 1990 | 1.59194 |
| 1989 | 1.61958 |
| 1988 | 1.65635 |
| 1987 | 1.69691 |
| 1986 | 1.73 |
| 1985 | 1.75985 |
| 1984 | 1.78946 |
| 1983 | 1.82265 |
| 1982 | 1.86223 |
| 1981 | 1.90477 |
| 1980 | 1.947 |
| 1979 | 1.98732 |
| 1978 | 2.00123 |
| 1977 | 1.98455 |
| 1976 | 1.96018 |
| 1975 | 1.92855 |
| 1974 | 1.88805 |
| 1973 | 1.87223 |
| 1972 | 1.88886 |
| 1971 | 1.90717 |
| 1970 | 1.92451 |
| 1969 | 1.94027 |
| 1968 | 1.9546 |
| 1967 | 1.96716 |
| 1966 | 1.97836 |
| 1965 | 1.98782 |
| 1964 | 1.99526 |
| 1963 | 2.00054 |
| 1962 | 2.00266 |
| 1961 | 2.00294 |
| 1960 | 2.00488 |