| 年份 | 苏丹 |
|---|---|
| 2023 | - |
| 2022 | 15.6001 |
| 2021 | 15.771 |
| 2020 | 15.9188 |
| 2019 | 16.0245 |
| 2018 | 16.0961 |
| 2017 | 16.1738 |
| 2016 | 16.2673 |
| 2015 | 16.3854 |
| 2014 | 16.5373 |
| 2013 | 16.6643 |
| 2012 | 16.7215 |
| 2011 | 16.6739 |
| 2010 | 16.4845 |
| 2009 | 16.2816 |
| 2008 | 16.1568 |
| 2007 | 16.1115 |
| 2006 | 16.169 |
| 2005 | 16.3182 |
| 2004 | 16.4862 |
| 2003 | 16.5923 |
| 2002 | 16.6364 |
| 2001 | 16.6689 |
| 2000 | 16.7365 |
| 1999 | 16.855 |
| 1998 | 17.0302 |
| 1997 | 17.2361 |
| 1996 | 17.4441 |
| 1995 | 17.6723 |
| 1994 | 17.9362 |
| 1993 | 18.2214 |
| 1992 | 18.4209 |
| 1991 | 18.5356 |
| 1990 | 18.6621 |
| 1989 | 18.7791 |
| 1988 | 18.8942 |
| 1987 | 18.992 |
| 1986 | 19.0096 |
| 1985 | 19.0193 |
| 1984 | 19.0409 |
| 1983 | 19.0924 |
| 1982 | 19.1488 |
| 1981 | 19.1607 |
| 1980 | 19.1909 |
| 1979 | 19.224 |
| 1978 | 19.2785 |
| 1977 | 19.3823 |
| 1976 | 19.5265 |
| 1975 | 19.6788 |
| 1974 | 19.8253 |
| 1973 | 19.9321 |
| 1972 | 19.9833 |
| 1971 | 19.9969 |
| 1970 | 19.9747 |
| 1969 | 19.9327 |
| 1968 | 19.8695 |
| 1967 | 19.7694 |
| 1966 | 19.6261 |
| 1965 | 19.4763 |
| 1964 | 19.3471 |
| 1963 | 19.2335 |
| 1962 | 19.1489 |
| 1961 | 19.1098 |
| 1960 | 19.0948 |