| 年份 | 阿曼 |
|---|---|
| 2023 | - |
| 2022 | 2.75864 |
| 2021 | 2.79098 |
| 2020 | 2.75633 |
| 2019 | 2.63383 |
| 2018 | 2.557 |
| 2017 | 2.52955 |
| 2016 | 2.5344 |
| 2015 | 2.53319 |
| 2014 | 2.50603 |
| 2013 | 2.48204 |
| 2012 | 2.47535 |
| 2011 | 2.48588 |
| 2010 | 2.52934 |
| 2009 | 2.56949 |
| 2008 | 2.57115 |
| 2007 | 2.55413 |
| 2006 | 2.51733 |
| 2005 | 2.46399 |
| 2004 | 2.40346 |
| 2003 | 2.38841 |
| 2002 | 2.41917 |
| 2001 | 2.44097 |
| 2000 | 2.44999 |
| 1999 | 2.44999 |
| 1998 | 2.44295 |
| 1997 | 2.43143 |
| 1996 | 2.41509 |
| 1995 | 2.39394 |
| 1994 | 2.37016 |
| 1993 | 2.36885 |
| 1992 | 2.39869 |
| 1991 | 2.43973 |
| 1990 | 2.48816 |
| 1989 | 2.54333 |
| 1988 | 2.60531 |
| 1987 | 2.67489 |
| 1986 | 2.75393 |
| 1985 | 2.84452 |
| 1984 | 2.9176 |
| 1983 | 2.9681 |
| 1982 | 3.02499 |
| 1981 | 3.08626 |
| 1980 | 3.14916 |
| 1979 | 3.21207 |
| 1978 | 3.27472 |
| 1977 | 3.33555 |
| 1976 | 3.39214 |
| 1975 | 3.44299 |
| 1974 | 3.48739 |
| 1973 | 3.51696 |
| 1972 | 3.53177 |
| 1971 | 3.54165 |
| 1970 | 3.54678 |
| 1969 | 3.54762 |
| 1968 | 3.54475 |
| 1967 | 3.53867 |
| 1966 | 3.52966 |
| 1965 | 3.51654 |
| 1964 | 3.49899 |
| 1963 | 3.47721 |
| 1962 | 3.45165 |
| 1961 | 3.4246 |
| 1960 | 3.39808 |