| 年份 | 阿曼 |
|---|---|
| 2023 | - |
| 2022 | 6.43593 |
| 2021 | 6.14279 |
| 2020 | 5.60904 |
| 2019 | 4.98005 |
| 2018 | 4.60544 |
| 2017 | 4.44356 |
| 2016 | 4.45979 |
| 2015 | 4.56347 |
| 2014 | 4.59581 |
| 2013 | 4.68524 |
| 2012 | 5.15666 |
| 2011 | 6.02425 |
| 2010 | 7.15506 |
| 2009 | 8.06351 |
| 2008 | 8.53639 |
| 2007 | 9.07316 |
| 2006 | 9.65193 |
| 2005 | 10.2116 |
| 2004 | 10.6374 |
| 2003 | 10.8237 |
| 2002 | 10.8737 |
| 2001 | 10.9274 |
| 2000 | 10.9769 |
| 1999 | 11.0199 |
| 1998 | 11.0556 |
| 1997 | 11.0658 |
| 1996 | 11.0242 |
| 1995 | 10.92 |
| 1994 | 10.7498 |
| 1993 | 10.67 |
| 1992 | 10.7232 |
| 1991 | 10.7811 |
| 1990 | 10.8432 |
| 1989 | 10.9079 |
| 1988 | 10.9976 |
| 1987 | 11.0783 |
| 1986 | 11.071 |
| 1985 | 10.9695 |
| 1984 | 10.928 |
| 1983 | 11.0331 |
| 1982 | 11.1928 |
| 1981 | 11.3895 |
| 1980 | 11.6037 |
| 1979 | 11.8265 |
| 1978 | 12.0501 |
| 1977 | 12.2557 |
| 1976 | 12.4199 |
| 1975 | 12.5148 |
| 1974 | 12.5222 |
| 1973 | 12.4141 |
| 1972 | 12.2248 |
| 1971 | 12.0244 |
| 1970 | 11.8274 |
| 1969 | 11.6501 |
| 1968 | 11.5034 |
| 1967 | 11.3795 |
| 1966 | 11.27 |
| 1965 | 11.1682 |
| 1964 | 11.0072 |
| 1963 | 10.8128 |
| 1962 | 10.791 |
| 1961 | 10.961 |
| 1960 | 11.199 |