| 年份 | 阿曼 |
|---|---|
| 2023 | - |
| 2022 | 11.8628 |
| 2021 | 12.3564 |
| 2020 | 12.7263 |
| 2019 | 12.9635 |
| 2018 | 13.0329 |
| 2017 | 12.9687 |
| 2016 | 12.853 |
| 2015 | 12.7746 |
| 2014 | 12.6692 |
| 2013 | 12.5784 |
| 2012 | 12.5097 |
| 2011 | 12.3685 |
| 2010 | 12.2315 |
| 2009 | 12.1201 |
| 2008 | 11.9885 |
| 2007 | 11.94 |
| 2006 | 12.0043 |
| 2005 | 12.1889 |
| 2004 | 12.4941 |
| 2003 | 12.884 |
| 2002 | 13.2934 |
| 2001 | 13.7047 |
| 2000 | 14.14 |
| 1999 | 14.618 |
| 1998 | 15.101 |
| 1997 | 15.5778 |
| 1996 | 16.087 |
| 1995 | 16.6206 |
| 1994 | 17.1566 |
| 1993 | 17.7379 |
| 1992 | 18.3271 |
| 1991 | 18.8485 |
| 1990 | 19.35 |
| 1989 | 19.8478 |
| 1988 | 20.3403 |
| 1987 | 20.8101 |
| 1986 | 21.1944 |
| 1985 | 21.4158 |
| 1984 | 21.466 |
| 1983 | 21.3944 |
| 1982 | 21.2292 |
| 1981 | 20.9878 |
| 1980 | 20.6827 |
| 1979 | 20.3294 |
| 1978 | 19.969 |
| 1977 | 19.6384 |
| 1976 | 19.3474 |
| 1975 | 19.1077 |
| 1974 | 18.9674 |
| 1973 | 18.8585 |
| 1972 | 18.7253 |
| 1971 | 18.629 |
| 1970 | 18.5576 |
| 1969 | 18.4951 |
| 1968 | 18.4303 |
| 1967 | 18.357 |
| 1966 | 18.2689 |
| 1965 | 18.1588 |
| 1964 | 18.0166 |
| 1963 | 17.84 |
| 1962 | 17.644 |
| 1961 | 17.4435 |
| 1960 | 17.2531 |