| 年份 | 阿曼 |
|---|---|
| 2023 | - |
| 2022 | 12.25 |
| 2021 | 12.956 |
| 2020 | 13.724 |
| 2019 | 14.557 |
| 2018 | 15.461 |
| 2017 | 16.44 |
| 2016 | 17.5 |
| 2015 | 18.65 |
| 2014 | 19.855 |
| 2013 | 21.118 |
| 2012 | 22.436 |
| 2011 | 23.817 |
| 2010 | 24.839 |
| 2009 | 25.376 |
| 2008 | 25.92 |
| 2007 | 26.473 |
| 2006 | 27.033 |
| 2005 | 27.6 |
| 2004 | 28.173 |
| 2003 | 28.491 |
| 2002 | 28.471 |
| 2001 | 28.451 |
| 2000 | 28.431 |
| 1999 | 28.411 |
| 1998 | 28.391 |
| 1997 | 28.371 |
| 1996 | 28.351 |
| 1995 | 28.331 |
| 1994 | 28.312 |
| 1993 | 28.956 |
| 1992 | 30.553 |
| 1991 | 32.204 |
| 1990 | 33.898 |
| 1989 | 35.634 |
| 1988 | 37.406 |
| 1987 | 39.217 |
| 1986 | 41.056 |
| 1985 | 42.921 |
| 1984 | 44.803 |
| 1983 | 46.706 |
| 1982 | 48.615 |
| 1981 | 50.529 |
| 1980 | 52.438 |
| 1979 | 54.346 |
| 1978 | 56.238 |
| 1977 | 58.112 |
| 1976 | 59.961 |
| 1975 | 61.787 |
| 1974 | 63.577 |
| 1973 | 65.331 |
| 1972 | 67.042 |
| 1971 | 68.713 |
| 1970 | 70.335 |
| 1969 | 71.907 |
| 1968 | 73.425 |
| 1967 | 74.894 |
| 1966 | 76.306 |
| 1965 | 77.662 |
| 1964 | 78.96 |
| 1963 | 80.206 |
| 1962 | 81.393 |
| 1961 | 82.525 |
| 1960 | 83.6 |