| 年份 | 苏丹 |
|---|---|
| 2023 | - |
| 2022 | 8.98646 |
| 2021 | 9.02512 |
| 2020 | 9.06342 |
| 2019 | 9.11403 |
| 2018 | 9.17154 |
| 2017 | 9.21067 |
| 2016 | 9.23942 |
| 2015 | 9.28112 |
| 2014 | 9.32712 |
| 2013 | 9.39926 |
| 2012 | 9.50036 |
| 2011 | 9.63121 |
| 2010 | 9.79463 |
| 2009 | 9.89441 |
| 2008 | 9.91652 |
| 2007 | 9.90802 |
| 2006 | 9.85065 |
| 2005 | 9.73004 |
| 2004 | 9.58016 |
| 2003 | 9.43971 |
| 2002 | 9.2973 |
| 2001 | 9.13477 |
| 2000 | 8.95143 |
| 1999 | 8.7632 |
| 1998 | 8.59395 |
| 1997 | 8.47674 |
| 1996 | 8.42566 |
| 1995 | 8.42296 |
| 1994 | 8.4628 |
| 1993 | 8.52523 |
| 1992 | 8.55012 |
| 1991 | 8.54235 |
| 1990 | 8.55208 |
| 1989 | 8.58776 |
| 1988 | 8.626 |
| 1987 | 8.66871 |
| 1986 | 8.74241 |
| 1985 | 8.83783 |
| 1984 | 8.94711 |
| 1983 | 9.12962 |
| 1982 | 9.30689 |
| 1981 | 9.36403 |
| 1980 | 9.35071 |
| 1979 | 9.30123 |
| 1978 | 9.2189 |
| 1977 | 9.09999 |
| 1976 | 8.96338 |
| 1975 | 8.80567 |
| 1974 | 8.59817 |
| 1973 | 8.46255 |
| 1972 | 8.43985 |
| 1971 | 8.42871 |
| 1970 | 8.41748 |
| 1969 | 8.4244 |
| 1968 | 8.43899 |
| 1967 | 8.43394 |
| 1966 | 8.42836 |
| 1965 | 8.43094 |
| 1964 | 8.44708 |
| 1963 | 8.47975 |
| 1962 | 8.52518 |
| 1961 | 8.57289 |
| 1960 | 8.61637 |