| 年份 | 阿曼 |
|---|---|
| 2023 | - |
| 2022 | 5.16767 |
| 2021 | 6.55798 |
| 2020 | 8.03024 |
| 2019 | 7.43921 |
| 2018 | 8.2676 |
| 2017 | 8.41325 |
| 2016 | 10.5631 |
| 2015 | 9.57117 |
| 2014 | 8.86041 |
| 2013 | 9.74727 |
| 2012 | 10.5832 |
| 2011 | 6.45275 |
| 2010 | 5.64886 |
| 2009 | 6.07257 |
| 2008 | 4.96025 |
| 2007 | 6.71756 |
| 2006 | 7.09909 |
| 2005 | 7.71403 |
| 2004 | 7.86038 |
| 2003 | 7.96204 |
| 2002 | 8.10067 |
| 2001 | 8.19564 |
| 2000 | 7.08571 |
| 1999 | 7.51679 |
| 1998 | 8.21609 |
| 1997 | 9.35791 |
| 1996 | 9.40708 |
| 1995 | 10.9676 |
| 1994 | 11.7665 |
| 1993 | 11.5257 |
| 1992 | 12.1841 |
| 1991 | 11.0639 |
| 1990 | 12.3909 |
| 1989 | 12.5 |
| 1988 | 13.6998 |
| 1987 | 13.2023 |
| 1986 | 15.8666 |
| 1985 | 15.5615 |
| 1984 | 16.893 |
| 1983 | 17.1594 |
| 1982 | 16.666 |
| 1981 | 15.7134 |
| 1980 | 14.9099 |
| 1979 | 15.6407 |
| 1978 | 20.9499 |
| 1977 | 18.7817 |
| 1976 | 23.0097 |
| 1975 | 24.9586 |
| 1974 | 15.5277 |
| 1973 | 18.595 |
| 1972 | 14.8615 |
| 1971 | 9.65228 |
| 1970 | - |
| 1969 | - |
| 1968 | - |
| 1967 | - |
| 1966 | - |
| 1965 | - |
| 1964 | - |
| 1963 | - |
| 1962 | - |
| 1961 | - |
| 1960 | - |