| 年份 | 阿曼 |
|---|---|
| 2023 | - |
| 2022 | 9.65248 |
| 2021 | 9.29961 |
| 2020 | 8.83834 |
| 2019 | 8.34457 |
| 2018 | 8.07365 |
| 2017 | 8.00332 |
| 2016 | 8.02594 |
| 2015 | 8.06102 |
| 2014 | 8.0512 |
| 2013 | 8.09042 |
| 2012 | 8.45244 |
| 2011 | 9.13618 |
| 2010 | 9.94986 |
| 2009 | 10.6682 |
| 2008 | 11.2325 |
| 2007 | 11.7775 |
| 2006 | 12.2786 |
| 2005 | 12.7192 |
| 2004 | 13.0697 |
| 2003 | 13.3115 |
| 2002 | 13.5121 |
| 2001 | 13.7238 |
| 2000 | 13.9208 |
| 1999 | 14.0918 |
| 1998 | 14.2331 |
| 1997 | 14.3236 |
| 1996 | 14.3419 |
| 1995 | 14.2823 |
| 1994 | 14.1444 |
| 1993 | 13.9285 |
| 1992 | 13.6465 |
| 1991 | 13.3199 |
| 1990 | 12.9683 |
| 1989 | 12.6035 |
| 1988 | 12.2587 |
| 1987 | 11.9351 |
| 1986 | 11.6101 |
| 1985 | 11.309 |
| 1984 | 11.1757 |
| 1983 | 11.2224 |
| 1982 | 11.3173 |
| 1981 | 11.4444 |
| 1980 | 11.5861 |
| 1979 | 11.7319 |
| 1978 | 11.8723 |
| 1977 | 11.9953 |
| 1976 | 12.0866 |
| 1975 | 12.1306 |
| 1974 | 12.128 |
| 1973 | 12.0421 |
| 1972 | 11.8825 |
| 1971 | 11.7113 |
| 1970 | 11.542 |
| 1969 | 11.3924 |
| 1968 | 11.2727 |
| 1967 | 11.1768 |
| 1966 | 11.0967 |
| 1965 | 11.0254 |
| 1964 | 10.8962 |
| 1963 | 10.7329 |
| 1962 | 10.735 |
| 1961 | 10.9212 |
| 1960 | 11.1694 |