| 年份 | 巴林  | 
                                                            
|---|---|
| 2023 | - | 
| 2022 | 8.21129 | 
| 2021 | 8.62948 | 
| 2020 | 9.00072 | 
| 2019 | 9.21343 | 
| 2018 | 9.37696 | 
| 2017 | 9.55012 | 
| 2016 | 9.63877 | 
| 2015 | 9.67571 | 
| 2014 | 9.69335 | 
| 2013 | 9.68867 | 
| 2012 | 9.736 | 
| 2011 | 9.74932 | 
| 2010 | 9.61949 | 
| 2009 | 9.78661 | 
| 2008 | 10.1694 | 
| 2007 | 10.3009 | 
| 2006 | 10.2851 | 
| 2005 | 10.2369 | 
| 2004 | 10.209 | 
| 2003 | 10.397 | 
| 2002 | 10.9121 | 
| 2001 | 11.492 | 
| 2000 | 11.9669 | 
| 1999 | 12.3589 | 
| 1998 | 12.6882 | 
| 1997 | 12.9739 | 
| 1996 | 13.2318 | 
| 1995 | 13.4976 | 
| 1994 | 13.8153 | 
| 1993 | 14.2131 | 
| 1992 | 14.7204 | 
| 1991 | 15.3655 | 
| 1990 | 15.9202 | 
| 1989 | 16.2222 | 
| 1988 | 16.3603 | 
| 1987 | 16.3349 | 
| 1986 | 16.133 | 
| 1985 | 15.8406 | 
| 1984 | 15.6478 | 
| 1983 | 15.664 | 
| 1982 | 15.9139 | 
| 1981 | 16.378 | 
| 1980 | 16.876 | 
| 1979 | 17.2559 | 
| 1978 | 17.5109 | 
| 1977 | 17.6066 | 
| 1976 | 17.5305 | 
| 1975 | 17.3496 | 
| 1974 | 17.2145 | 
| 1973 | 17.248 | 
| 1972 | 17.4907 | 
| 1971 | 17.9117 | 
| 1970 | 18.3983 | 
| 1969 | 18.852 | 
| 1968 | 19.265 | 
| 1967 | 19.6249 | 
| 1966 | 19.969 | 
| 1965 | 20.3695 | 
| 1964 | 20.8341 | 
| 1963 | 21.2399 | 
| 1962 | 21.4675 | 
| 1961 | 21.4576 | 
| 1960 | 21.1719 |