| 年份 | 阿曼 |
|---|---|
| 2023 | - |
| 2022 | 9.51023 |
| 2021 | 9.35553 |
| 2020 | 9.15066 |
| 2019 | 9.00634 |
| 2018 | 8.84795 |
| 2017 | 8.67459 |
| 2016 | 8.50957 |
| 2015 | 8.29695 |
| 2014 | 7.98833 |
| 2013 | 7.60055 |
| 2012 | 7.17278 |
| 2011 | 6.7984 |
| 2010 | 6.52769 |
| 2009 | 6.27176 |
| 2008 | 6.00639 |
| 2007 | 5.78251 |
| 2006 | 5.60506 |
| 2005 | 5.4757 |
| 2004 | 5.38766 |
| 2003 | 5.29359 |
| 2002 | 5.17938 |
| 2001 | 5.07976 |
| 2000 | 5.00037 |
| 1999 | 4.94012 |
| 1998 | 4.89721 |
| 1997 | 4.87104 |
| 1996 | 4.86117 |
| 1995 | 4.86623 |
| 1994 | 4.88516 |
| 1993 | 4.88057 |
| 1992 | 4.84517 |
| 1991 | 4.81068 |
| 1990 | 4.77554 |
| 1989 | 4.72466 |
| 1988 | 4.65784 |
| 1987 | 4.62568 |
| 1986 | 4.65573 |
| 1985 | 4.73625 |
| 1984 | 4.8563 |
| 1983 | 4.98567 |
| 1982 | 5.04983 |
| 1981 | 5.03468 |
| 1980 | 4.99761 |
| 1979 | 4.95861 |
| 1978 | 4.92822 |
| 1977 | 4.91076 |
| 1976 | 4.9032 |
| 1975 | 4.90106 |
| 1974 | 4.89513 |
| 1973 | 4.90135 |
| 1972 | 4.9246 |
| 1971 | 4.9478 |
| 1970 | 4.97452 |
| 1969 | 5.00383 |
| 1968 | 5.03294 |
| 1967 | 5.06285 |
| 1966 | 5.09645 |
| 1965 | 5.13463 |
| 1964 | 5.17561 |
| 1963 | 5.21682 |
| 1962 | 5.25713 |
| 1961 | 5.29542 |
| 1960 | 5.33025 |