| 年份 | 阿曼  | 
                                                            
|---|---|
| 2023 | - | 
| 2022 | - | 
| 2021 | 0.00135529 | 
| 2020 | 0.00169296 | 
| 2019 | 0.00155762 | 
| 2018 | 0.00108649 | 
| 2017 | 0.00235866 | 
| 2016 | 0.00200422 | 
| 2015 | 0.00240527 | 
| 2014 | 0.00218906 | 
| 2013 | 0.00136913 | 
| 2012 | 0.00165184 | 
| 2011 | 0.00157855 | 
| 2010 | 0.00159369 | 
| 2009 | 0.00173378 | 
| 2008 | 0.00137093 | 
| 2007 | 0.00109542 | 
| 2006 | 0.00130015 | 
| 2005 | 0.00123406 | 
| 2004 | 0.00151401 | 
| 2003 | 0.0017224 | 
| 2002 | 0.00125479 | 
| 2001 | 0.00112806 | 
| 2000 | 0.000974177 | 
| 1999 | 0.00119737 | 
| 1998 | 0.00301341 | 
| 1997 | 0.0018259 | 
| 1996 | 0.00179857 | 
| 1995 | 0.00187319 | 
| 1994 | 0.00124737 | 
| 1993 | 0.00108161 | 
| 1992 | 0.00139533 | 
| 1991 | 0.00173152 | 
| 1990 | 0.00160152 | 
| 1989 | 0.00187745 | 
| 1988 | 0.00195504 | 
| 1987 | 0.0019719 | 
| 1986 | 0.00192605 | 
| 1985 | 0.000460501 | 
| 1984 | 0.00143196 | 
| 1983 | 0.00154846 | 
| 1982 | 0.00238576 | 
| 1981 | 0.0010143 | 
| 1980 | 0.00119821 | 
| 1979 | 0.0014705 | 
| 1978 | 0.00218274 | 
| 1977 | 0.00160437 | 
| 1976 | 0.000977203 | 
| 1975 | 0.00143581 | 
| 1974 | 0.00149906 | 
| 1973 | 0.00446921 | 
| 1972 | 0.00410607 | 
| 1971 | 0.00406357 | 
| 1970 | 0.0054031 | 
| 1969 | - | 
| 1968 | - | 
| 1967 | - | 
| 1966 | - | 
| 1965 | - | 
| 1964 | - | 
| 1963 | - | 
| 1962 | - | 
| 1961 | - | 
| 1960 | - |