| 年份 | 阿曼 |
|---|---|
| 2023 | - |
| 2022 | - |
| 2021 | 10.1 |
| 2020 | 10.4 |
| 2019 | 10.6 |
| 2018 | 10.8 |
| 2017 | 11 |
| 2016 | 11.1 |
| 2015 | 11.2 |
| 2014 | 11.3 |
| 2013 | 11.4 |
| 2012 | 11.5 |
| 2011 | 11.6 |
| 2010 | 11.7 |
| 2009 | 11.9 |
| 2008 | 12 |
| 2007 | 12.2 |
| 2006 | 12.4 |
| 2005 | 12.7 |
| 2004 | 13.2 |
| 2003 | 13.7 |
| 2002 | 14.5 |
| 2001 | 15.3 |
| 2000 | 16.3 |
| 1999 | 17.5 |
| 1998 | 18.9 |
| 1997 | 20.4 |
| 1996 | 22.2 |
| 1995 | 24.1 |
| 1994 | 26.4 |
| 1993 | 29 |
| 1992 | 32 |
| 1991 | 35.3 |
| 1990 | 39 |
| 1989 | 43.1 |
| 1988 | 47.6 |
| 1987 | 52.7 |
| 1986 | 58.7 |
| 1985 | 65.5 |
| 1984 | 73.1 |
| 1983 | 81.5 |
| 1982 | 90.7 |
| 1981 | 100.5 |
| 1980 | 110.8 |
| 1979 | 121.7 |
| 1978 | 132.9 |
| 1977 | 144.4 |
| 1976 | 156.1 |
| 1975 | 168.2 |
| 1974 | 180.1 |
| 1973 | 192.2 |
| 1972 | 204.2 |
| 1971 | 216.6 |
| 1970 | 229.3 |
| 1969 | 242.1 |
| 1968 | 255.2 |
| 1967 | 268.7 |
| 1966 | 282 |
| 1965 | 295.7 |
| 1964 | 309.4 |
| 1963 | 323.4 |
| 1962 | 338.5 |
| 1961 | 353.9 |
| 1960 | 370.2 |