| 年份 | 阿曼 |
|---|---|
| 2023 | - |
| 2022 | 6.19696 |
| 2021 | 6.00304 |
| 2020 | 5.90003 |
| 2019 | 5.84482 |
| 2018 | 5.74114 |
| 2017 | 5.60693 |
| 2016 | 5.49447 |
| 2015 | 5.40044 |
| 2014 | 5.2985 |
| 2013 | 5.16498 |
| 2012 | 4.95954 |
| 2011 | 4.75285 |
| 2010 | 4.65746 |
| 2009 | 4.69018 |
| 2008 | 4.77315 |
| 2007 | 4.82932 |
| 2006 | 4.84202 |
| 2005 | 4.81107 |
| 2004 | 4.75707 |
| 2003 | 4.72247 |
| 2002 | 4.7175 |
| 2001 | 4.72409 |
| 2000 | 4.73817 |
| 1999 | 4.7525 |
| 1998 | 4.76586 |
| 1997 | 4.77793 |
| 1996 | 4.7766 |
| 1995 | 4.75386 |
| 1994 | 4.70879 |
| 1993 | 4.53057 |
| 1992 | 4.2341 |
| 1991 | 3.96634 |
| 1990 | 3.73726 |
| 1989 | 3.54926 |
| 1988 | 3.40636 |
| 1987 | 3.31074 |
| 1986 | 3.26145 |
| 1985 | 3.25749 |
| 1984 | 3.2541 |
| 1983 | 3.22712 |
| 1982 | 3.20434 |
| 1981 | 3.18908 |
| 1980 | 3.18353 |
| 1979 | 3.18577 |
| 1978 | 3.19263 |
| 1977 | 3.20833 |
| 1976 | 3.23668 |
| 1975 | 3.27616 |
| 1974 | 3.32515 |
| 1973 | 3.38462 |
| 1972 | 3.44673 |
| 1971 | 3.50273 |
| 1970 | 3.55341 |
| 1969 | 3.59683 |
| 1968 | 3.63237 |
| 1967 | 3.66174 |
| 1966 | 3.68979 |
| 1965 | 3.72168 |
| 1964 | 3.75799 |
| 1963 | 3.799 |
| 1962 | 3.84213 |
| 1961 | 3.88184 |
| 1960 | 3.91474 |