| 年份 | 巴林 |
|---|---|
| 2023 | - |
| 2022 | 3.38158 |
| 2021 | 3.20149 |
| 2020 | 2.97053 |
| 2019 | 2.75135 |
| 2018 | 2.58434 |
| 2017 | 2.47229 |
| 2016 | 2.38681 |
| 2015 | 2.29007 |
| 2014 | 2.13196 |
| 2013 | 1.8952 |
| 2012 | 1.70854 |
| 2011 | 1.59557 |
| 2010 | 1.5004 |
| 2009 | 1.42439 |
| 2008 | 1.37601 |
| 2007 | 1.37115 |
| 2006 | 1.40629 |
| 2005 | 1.47408 |
| 2004 | 1.55911 |
| 2003 | 1.62316 |
| 2002 | 1.63266 |
| 2001 | 1.60728 |
| 2000 | 1.57467 |
| 1999 | 1.54347 |
| 1998 | 1.51952 |
| 1997 | 1.50692 |
| 1996 | 1.50561 |
| 1995 | 1.51634 |
| 1994 | 1.54333 |
| 1993 | 1.56996 |
| 1992 | 1.57502 |
| 1991 | 1.56503 |
| 1990 | 1.54527 |
| 1989 | 1.51593 |
| 1988 | 1.48487 |
| 1987 | 1.45652 |
| 1986 | 1.43582 |
| 1985 | 1.42116 |
| 1984 | 1.40821 |
| 1983 | 1.39788 |
| 1982 | 1.38595 |
| 1981 | 1.37408 |
| 1980 | 1.37263 |
| 1979 | 1.37705 |
| 1978 | 1.37771 |
| 1977 | 1.37814 |
| 1976 | 1.37945 |
| 1975 | 1.38294 |
| 1974 | 1.39393 |
| 1973 | 1.41479 |
| 1972 | 1.43965 |
| 1971 | 1.45536 |
| 1970 | 1.43986 |
| 1969 | 1.39589 |
| 1968 | 1.34354 |
| 1967 | 1.28773 |
| 1966 | 1.23402 |
| 1965 | 1.19645 |
| 1964 | 1.22118 |
| 1963 | 1.30172 |
| 1962 | 1.39072 |
| 1961 | 1.47531 |
| 1960 | 1.54592 |