| 年份 | 阿曼  | 
                                                            
|---|---|
| 2023 | - | 
| 2022 | 1.22742 | 
| 2021 | -0.505922 | 
| 2020 | -1.29825 | 
| 2019 | 0.0350068 | 
| 2018 | 1.29725 | 
| 2017 | 3.21695 | 
| 2016 | 4.80413 | 
| 2015 | 4.45161 | 
| 2014 | 4.92275 | 
| 2013 | 7.65039 | 
| 2012 | 9.75817 | 
| 2011 | 10.6841 | 
| 2010 | 6.61155 | 
| 2009 | 1.73916 | 
| 2008 | 1.72461 | 
| 2007 | 1.74406 | 
| 2006 | 1.79116 | 
| 2005 | 1.85947 | 
| 2004 | 1.5205 | 
| 2003 | 1.15573 | 
| 2002 | 1.21408 | 
| 2001 | 1.28845 | 
| 2000 | 1.35944 | 
| 1999 | 1.43167 | 
| 1998 | 1.50883 | 
| 1997 | 1.59939 | 
| 1996 | 1.70158 | 
| 1995 | 1.81119 | 
| 1994 | 2.93952 | 
| 1993 | 4.27174 | 
| 1992 | 4.64157 | 
| 1991 | 4.90207 | 
| 1990 | 5.15615 | 
| 1989 | 5.41923 | 
| 1988 | 5.70875 | 
| 1987 | 6.04222 | 
| 1986 | 6.44954 | 
| 1985 | 6.09213 | 
| 1984 | 5.54475 | 
| 1983 | 5.66323 | 
| 1982 | 5.66358 | 
| 1981 | 5.55897 | 
| 1980 | 5.46487 | 
| 1979 | 5.39558 | 
| 1978 | 5.24339 | 
| 1977 | 4.97593 | 
| 1976 | 4.57941 | 
| 1975 | 4.21862 | 
| 1974 | 3.51678 | 
| 1973 | 2.86131 | 
| 1972 | 2.75523 | 
| 1971 | 2.66438 | 
| 1970 | 2.58267 | 
| 1969 | 2.51204 | 
| 1968 | 2.43568 | 
| 1967 | 2.35929 | 
| 1966 | 2.28587 | 
| 1965 | 2.21082 | 
| 1964 | 2.12653 | 
| 1963 | 2.03677 | 
| 1962 | 1.93848 | 
| 1961 | 1.82647 | 
| 1960 | - |