| 年份 | 巴林 |
|---|---|
| 2023 | - |
| 2022 | 8.36906 |
| 2021 | 8.07176 |
| 2020 | 7.61601 |
| 2019 | 7.27403 |
| 2018 | 7.08792 |
| 2017 | 6.96938 |
| 2016 | 6.90961 |
| 2015 | 6.88268 |
| 2014 | 6.87933 |
| 2013 | 6.83793 |
| 2012 | 6.81753 |
| 2011 | 6.85359 |
| 2010 | 6.85392 |
| 2009 | 6.8181 |
| 2008 | 6.80438 |
| 2007 | 6.82372 |
| 2006 | 6.8351 |
| 2005 | 6.81771 |
| 2004 | 6.77581 |
| 2003 | 6.66146 |
| 2002 | 6.41665 |
| 2001 | 6.11551 |
| 2000 | 5.82703 |
| 1999 | 5.55177 |
| 1998 | 5.28824 |
| 1997 | 5.03492 |
| 1996 | 4.78864 |
| 1995 | 4.54708 |
| 1994 | 4.3136 |
| 1993 | 4.09973 |
| 1992 | 3.91753 |
| 1991 | 3.77232 |
| 1990 | 3.68205 |
| 1989 | 3.65454 |
| 1988 | 3.66711 |
| 1987 | 3.70151 |
| 1986 | 3.74465 |
| 1985 | 3.78971 |
| 1984 | 3.83567 |
| 1983 | 3.87937 |
| 1982 | 3.91542 |
| 1981 | 3.92311 |
| 1980 | 3.87344 |
| 1979 | 3.80092 |
| 1978 | 3.75526 |
| 1977 | 3.73239 |
| 1976 | 3.73157 |
| 1975 | 3.75673 |
| 1974 | 3.80937 |
| 1973 | 3.89425 |
| 1972 | 4.01286 |
| 1971 | 4.13431 |
| 1970 | 4.16497 |
| 1969 | 4.10238 |
| 1968 | 4.01254 |
| 1967 | 3.90649 |
| 1966 | 3.78944 |
| 1965 | 3.66615 |
| 1964 | 3.57405 |
| 1963 | 3.51946 |
| 1962 | 3.47902 |
| 1961 | 3.45463 |
| 1960 | 3.44186 |