| 年份 | 阿曼 |
|---|---|
| 2023 | - |
| 2022 | 7.92963 |
| 2021 | 8.17255 |
| 2020 | 8.06967 |
| 2019 | 7.73055 |
| 2018 | 7.43481 |
| 2017 | 7.21231 |
| 2016 | 7.15787 |
| 2015 | 7.23533 |
| 2014 | 7.20195 |
| 2013 | 7.20823 |
| 2012 | 7.51634 |
| 2011 | 8.03779 |
| 2010 | 8.73613 |
| 2009 | 9.17481 |
| 2008 | 9.14438 |
| 2007 | 9.19092 |
| 2006 | 9.33588 |
| 2005 | 9.58063 |
| 2004 | 9.9182 |
| 2003 | 10.2369 |
| 2002 | 10.4743 |
| 2001 | 10.7011 |
| 2000 | 10.9448 |
| 1999 | 11.2219 |
| 1998 | 11.4993 |
| 1997 | 11.7614 |
| 1996 | 12.0286 |
| 1995 | 12.2851 |
| 1994 | 12.5135 |
| 1993 | 12.9732 |
| 1992 | 13.7059 |
| 1991 | 14.463 |
| 1990 | 15.2731 |
| 1989 | 16.1567 |
| 1988 | 17.1269 |
| 1987 | 18.1891 |
| 1986 | 19.3043 |
| 1985 | 20.4094 |
| 1984 | 21.0155 |
| 1983 | 21.0591 |
| 1982 | 21.0265 |
| 1981 | 20.9253 |
| 1980 | 20.7592 |
| 1979 | 20.5477 |
| 1978 | 20.3378 |
| 1977 | 20.1584 |
| 1976 | 20.0045 |
| 1975 | 19.8694 |
| 1974 | 19.7704 |
| 1973 | 19.6561 |
| 1972 | 19.5121 |
| 1971 | 19.4062 |
| 1970 | 19.3281 |
| 1969 | 19.2575 |
| 1968 | 19.1815 |
| 1967 | 19.0925 |
| 1966 | 18.9831 |
| 1965 | 18.8457 |
| 1964 | 18.6709 |
| 1963 | 18.4575 |
| 1962 | 18.22 |
| 1961 | 17.9741 |
| 1960 | 17.737 |