| 年份 | 巴林 |
|---|---|
| 2023 | - |
| 2022 | 1.1169 |
| 2021 | 1.02188 |
| 2020 | 0.935213 |
| 2019 | 0.875122 |
| 2018 | 0.84533 |
| 2017 | 0.834868 |
| 2016 | 0.841288 |
| 2015 | 0.86292 |
| 2014 | 0.871849 |
| 2013 | 0.860964 |
| 2012 | 0.864061 |
| 2011 | 0.865542 |
| 2010 | 0.843477 |
| 2009 | 0.820374 |
| 2008 | 0.801026 |
| 2007 | 0.784529 |
| 2006 | 0.778181 |
| 2005 | 0.786028 |
| 2004 | 0.815452 |
| 2003 | 0.849299 |
| 2002 | 0.855232 |
| 2001 | 0.838495 |
| 2000 | 0.812172 |
| 1999 | 0.775167 |
| 1998 | 0.7387 |
| 1997 | 0.716056 |
| 1996 | 0.705735 |
| 1995 | 0.699057 |
| 1994 | 0.69261 |
| 1993 | 0.685121 |
| 1992 | 0.671245 |
| 1991 | 0.653936 |
| 1990 | 0.645981 |
| 1989 | 0.646581 |
| 1988 | 0.646094 |
| 1987 | 0.647257 |
| 1986 | 0.651617 |
| 1985 | 0.653661 |
| 1984 | 0.653758 |
| 1983 | 0.655472 |
| 1982 | 0.660884 |
| 1981 | 0.672518 |
| 1980 | 0.685647 |
| 1979 | 0.693398 |
| 1978 | 0.696465 |
| 1977 | 0.699641 |
| 1976 | 0.707048 |
| 1975 | 0.721445 |
| 1974 | 0.742574 |
| 1973 | 0.767888 |
| 1972 | 0.794947 |
| 1971 | 0.8174 |
| 1970 | 0.820922 |
| 1969 | 0.808391 |
| 1968 | 0.787757 |
| 1967 | 0.752044 |
| 1966 | 0.702731 |
| 1965 | 0.65032 |
| 1964 | 0.634239 |
| 1963 | 0.657461 |
| 1962 | 0.68819 |
| 1961 | 0.723457 |
| 1960 | 0.758219 |