| 年份 | 苏丹 |
|---|---|
| 2023 | - |
| 2022 | 15.0891 |
| 2021 | 15.2604 |
| 2020 | 15.4092 |
| 2019 | 15.5159 |
| 2018 | 15.5886 |
| 2017 | 15.6674 |
| 2016 | 15.7628 |
| 2015 | 15.8831 |
| 2014 | 16.0371 |
| 2013 | 16.1683 |
| 2012 | 16.2306 |
| 2011 | 16.189 |
| 2010 | 16.0094 |
| 2009 | 15.8193 |
| 2008 | 15.7088 |
| 2007 | 15.6771 |
| 2006 | 15.7463 |
| 2005 | 15.9129 |
| 2004 | 16.1054 |
| 2003 | 16.2341 |
| 2002 | 16.2982 |
| 2001 | 16.3485 |
| 2000 | 16.4318 |
| 1999 | 16.5677 |
| 1998 | 16.7859 |
| 1997 | 17.0522 |
| 1996 | 17.3049 |
| 1995 | 17.5572 |
| 1994 | 17.8034 |
| 1993 | 18.0633 |
| 1992 | 18.274 |
| 1991 | 18.396 |
| 1990 | 18.5197 |
| 1989 | 18.6336 |
| 1988 | 18.8006 |
| 1987 | 18.9801 |
| 1986 | 19.0278 |
| 1985 | 19.0619 |
| 1984 | 19.1255 |
| 1983 | 19.1993 |
| 1982 | 19.2243 |
| 1981 | 19.1699 |
| 1980 | 19.1239 |
| 1979 | 19.0749 |
| 1978 | 19.0456 |
| 1977 | 19.0758 |
| 1976 | 19.16 |
| 1975 | 19.2615 |
| 1974 | 19.3691 |
| 1973 | 19.4569 |
| 1972 | 19.5095 |
| 1971 | 19.5381 |
| 1970 | 19.5408 |
| 1969 | 19.5296 |
| 1968 | 19.4991 |
| 1967 | 19.4307 |
| 1966 | 19.3224 |
| 1965 | 19.2102 |
| 1964 | 19.1149 |
| 1963 | 19.0357 |
| 1962 | 18.9743 |
| 1961 | 18.9419 |
| 1960 | 18.932 |