| 年份 | 阿曼 |
|---|---|
| 2023 | - |
| 2022 | 4.88132 |
| 2021 | 4.72909 |
| 2020 | 4.47643 |
| 2019 | 4.18415 |
| 2018 | 4.07141 |
| 2017 | 4.06937 |
| 2016 | 4.19693 |
| 2015 | 4.46185 |
| 2014 | 4.7321 |
| 2013 | 5.09751 |
| 2012 | 5.80798 |
| 2011 | 6.90489 |
| 2010 | 8.21524 |
| 2009 | 9.31948 |
| 2008 | 9.99839 |
| 2007 | 10.5176 |
| 2006 | 10.8144 |
| 2005 | 10.8353 |
| 2004 | 10.5549 |
| 2003 | 10.3655 |
| 2002 | 10.4429 |
| 2001 | 10.5098 |
| 2000 | 10.5278 |
| 1999 | 10.4945 |
| 1998 | 10.3625 |
| 1997 | 10.115 |
| 1996 | 9.78904 |
| 1995 | 9.42089 |
| 1994 | 9.05333 |
| 1993 | 8.98541 |
| 1992 | 9.21824 |
| 1991 | 9.42237 |
| 1990 | 9.55035 |
| 1989 | 9.60103 |
| 1988 | 9.58047 |
| 1987 | 9.50351 |
| 1986 | 9.38671 |
| 1985 | 9.22988 |
| 1984 | 9.21904 |
| 1983 | 9.39128 |
| 1982 | 9.56429 |
| 1981 | 9.72875 |
| 1980 | 9.87424 |
| 1979 | 9.98424 |
| 1978 | 10.0441 |
| 1977 | 10.0529 |
| 1976 | 10.0141 |
| 1975 | 9.93669 |
| 1974 | 9.83846 |
| 1973 | 9.74673 |
| 1972 | 9.67261 |
| 1971 | 9.60752 |
| 1970 | 9.5466 |
| 1969 | 9.433 |
| 1968 | 9.29002 |
| 1967 | 9.29861 |
| 1966 | 9.47788 |
| 1965 | 9.72225 |
| 1964 | 10.0606 |
| 1963 | 10.4454 |
| 1962 | 10.6625 |
| 1961 | 10.6925 |
| 1960 | 10.663 |