| 年份 | 阿曼 |
|---|---|
| 2023 | - |
| 2022 | - |
| 2021 | 11.1 |
| 2020 | 11.3 |
| 2019 | 11.5 |
| 2018 | 11.8 |
| 2017 | 11.9 |
| 2016 | 12.1 |
| 2015 | 12.2 |
| 2014 | 12.3 |
| 2013 | 12.4 |
| 2012 | 12.5 |
| 2011 | 12.7 |
| 2010 | 12.8 |
| 2009 | 12.9 |
| 2008 | 13.1 |
| 2007 | 13.3 |
| 2006 | 13.5 |
| 2005 | 13.9 |
| 2004 | 14.4 |
| 2003 | 15 |
| 2002 | 15.8 |
| 2001 | 16.7 |
| 2000 | 17.9 |
| 1999 | 19.2 |
| 1998 | 20.6 |
| 1997 | 22.3 |
| 1996 | 24.2 |
| 1995 | 26.4 |
| 1994 | 28.8 |
| 1993 | 31.7 |
| 1992 | 34.8 |
| 1991 | 38.4 |
| 1990 | 42.2 |
| 1989 | 46.5 |
| 1988 | 51.2 |
| 1987 | 56.5 |
| 1986 | 62.6 |
| 1985 | 69.6 |
| 1984 | 77.4 |
| 1983 | 85.9 |
| 1982 | 95.2 |
| 1981 | 105.1 |
| 1980 | 115.4 |
| 1979 | 126.2 |
| 1978 | 137.6 |
| 1977 | 149.2 |
| 1976 | 160.9 |
| 1975 | 172.9 |
| 1974 | 184.9 |
| 1973 | 196.8 |
| 1972 | 209.1 |
| 1971 | 221.6 |
| 1970 | 234.5 |
| 1969 | 247.5 |
| 1968 | 260.9 |
| 1967 | 274.6 |
| 1966 | 288.3 |
| 1965 | 301.9 |
| 1964 | 316.1 |
| 1963 | 330.9 |
| 1962 | - |
| 1961 | - |
| 1960 | - |