| 年份 | 苏丹 |
|---|---|
| 2023 | - |
| 2022 | - |
| 2021 | 12.7502 |
| 2020 | 9.29265 |
| 2019 | 8.25977 |
| 2018 | 6.14771 |
| 2017 | 2.4803 |
| 2016 | 2.74051 |
| 2015 | 2.97569 |
| 2014 | 5.17424 |
| 2013 | 7.51779 |
| 2012 | 6.64669 |
| 2011 | 16.7759 |
| 2010 | 11.9429 |
| 2009 | 9.84271 |
| 2008 | 17.9798 |
| 2007 | 13.6775 |
| 2006 | 12.539 |
| 2005 | 12.4802 |
| 2004 | 10.1433 |
| 2003 | 7.00622 |
| 2002 | 7.22284 |
| 2001 | 6.91017 |
| 2000 | 10.7835 |
| 1999 | 2.11461 |
| 1998 | 0.258069 |
| 1997 | 0.25582 |
| 1996 | 0.274841 |
| 1995 | 0.0427456 |
| 1994 | 0.00255693 |
| 1993 | 0.0133327 |
| 1992 | 0.0174385 |
| 1991 | 0.000462825 |
| 1990 | 0.000654943 |
| 1989 | 0.00586216 |
| 1988 | 0.00884893 |
| 1987 | 0.00361295 |
| 1986 | 0.00169107 |
| 1985 | 0.0016911 |
| 1984 | 0.00189044 |
| 1983 | 0.00117246 |
| 1982 | 0.000623779 |
| 1981 | 0.000609522 |
| 1980 | 0.00116168 |
| 1979 | 0.000258762 |
| 1978 | - |
| 1977 | - |
| 1976 | - |
| 1975 | 9.21364E-6 |
| 1974 | 0.000110978 |
| 1973 | - |
| 1972 | - |
| 1971 | - |
| 1970 | 0.00206075 |
| 1969 | - |
| 1968 | - |
| 1967 | - |
| 1966 | - |
| 1965 | - |
| 1964 | - |
| 1963 | - |
| 1962 | - |
| 1961 | - |
| 1960 | - |