| 年份 | 巴林 |
|---|---|
| 2023 | - |
| 2022 | 4.50723 |
| 2021 | 4.4007 |
| 2020 | 4.19899 |
| 2019 | 4.01638 |
| 2018 | 3.93701 |
| 2017 | 3.90884 |
| 2016 | 3.89112 |
| 2015 | 3.86412 |
| 2014 | 3.7202 |
| 2013 | 3.41414 |
| 2012 | 3.13014 |
| 2011 | 2.91325 |
| 2010 | 2.69915 |
| 2009 | 2.48164 |
| 2008 | 2.26327 |
| 2007 | 2.0804 |
| 2006 | 1.94216 |
| 2005 | 1.85799 |
| 2004 | 1.83058 |
| 2003 | 1.843 |
| 2002 | 1.86395 |
| 2001 | 1.88912 |
| 2000 | 1.92259 |
| 1999 | 1.95339 |
| 1998 | 1.97619 |
| 1997 | 1.99018 |
| 1996 | 1.99354 |
| 1995 | 1.98666 |
| 1994 | 1.9744 |
| 1993 | 1.96582 |
| 1992 | 1.9691 |
| 1991 | 1.98275 |
| 1990 | 2.00622 |
| 1989 | 2.03966 |
| 1988 | 2.06415 |
| 1987 | 2.06483 |
| 1986 | 2.05187 |
| 1985 | 2.03119 |
| 1984 | 2.00393 |
| 1983 | 1.97574 |
| 1982 | 1.94806 |
| 1981 | 1.92397 |
| 1980 | 1.90997 |
| 1979 | 1.9065 |
| 1978 | 1.91292 |
| 1977 | 1.92449 |
| 1976 | 1.93572 |
| 1975 | 1.9463 |
| 1974 | 1.94894 |
| 1973 | 1.93981 |
| 1972 | 1.92713 |
| 1971 | 1.91146 |
| 1970 | 1.87832 |
| 1969 | 1.8387 |
| 1968 | 1.80643 |
| 1967 | 1.76974 |
| 1966 | 1.72288 |
| 1965 | 1.67116 |
| 1964 | 1.65472 |
| 1963 | 1.67948 |
| 1962 | 1.71331 |
| 1961 | 1.76064 |
| 1960 | 1.82604 |