| 年份 | 苏丹  | 
                                                            
|---|---|
| 2023 | - | 
| 2022 | - | 
| 2021 | 6.63405 | 
| 2020 | 4.04469 | 
| 2019 | 2.66039 | 
| 2018 | 0.0481268 | 
| 2017 | 0.701729 | 
| 2016 | 0.937479 | 
| 2015 | 0.778095 | 
| 2014 | 1.02552 | 
| 2013 | 1.38708 | 
| 2012 | 1.41749 | 
| 2011 | 0.629015 | 
| 2010 | 0.449733 | 
| 2009 | 0.245948 | 
| 2008 | 0.0945043 | 
| 2007 | 0.0639728 | 
| 2006 | 0.0384846 | 
| 2005 | 0.0202861 | 
| 2004 | 0.0238504 | 
| 2003 | 0.0310656 | 
| 2002 | 0.0751096 | 
| 2001 | 0.0697188 | 
| 2000 | 0.0964741 | 
| 1999 | 0.0648585 | 
| 1998 | 0.0877883 | 
| 1997 | 0.085184 | 
| 1996 | 0.179183 | 
| 1995 | 0.0374169 | 
| 1994 | - | 
| 1993 | - | 
| 1992 | - | 
| 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 | - |