| 年份 | 苏丹 |
|---|---|
| 2023 | - |
| 2022 | 1.70889 |
| 2021 | 1.75879 |
| 2020 | 1.81101 |
| 2019 | 1.85695 |
| 2018 | 1.89379 |
| 2017 | 1.92343 |
| 2016 | 1.94302 |
| 2015 | 1.94822 |
| 2014 | 1.93618 |
| 2013 | 1.90801 |
| 2012 | 1.86886 |
| 2011 | 1.81981 |
| 2010 | 1.76159 |
| 2009 | 1.70211 |
| 2008 | 1.63972 |
| 2007 | 1.56837 |
| 2006 | 1.49311 |
| 2005 | 1.42008 |
| 2004 | 1.3537 |
| 2003 | 1.29596 |
| 2002 | 1.24803 |
| 2001 | 1.21046 |
| 2000 | 1.18294 |
| 1999 | 1.16633 |
| 1998 | 1.16453 |
| 1997 | 1.17663 |
| 1996 | 1.20161 |
| 1995 | 1.24215 |
| 1994 | 1.29563 |
| 1993 | 1.36521 |
| 1992 | 1.41755 |
| 1991 | 1.43881 |
| 1990 | 1.458 |
| 1989 | 1.47696 |
| 1988 | 1.50346 |
| 1987 | 1.52967 |
| 1986 | 1.53882 |
| 1985 | 1.53674 |
| 1984 | 1.52973 |
| 1983 | 1.53953 |
| 1982 | 1.55369 |
| 1981 | 1.54371 |
| 1980 | 1.52242 |
| 1979 | 1.49417 |
| 1978 | 1.48087 |
| 1977 | 1.48544 |
| 1976 | 1.48303 |
| 1975 | 1.47326 |
| 1974 | 1.45836 |
| 1973 | 1.45291 |
| 1972 | 1.46028 |
| 1971 | 1.46836 |
| 1970 | 1.47623 |
| 1969 | 1.48296 |
| 1968 | 1.48783 |
| 1967 | 1.49179 |
| 1966 | 1.49654 |
| 1965 | 1.50303 |
| 1964 | 1.51151 |
| 1963 | 1.52223 |
| 1962 | 1.53386 |
| 1961 | 1.54574 |
| 1960 | 1.55975 |