| 年份 | 文莱达鲁萨兰国 |
|---|---|
| 2023 | - |
| 2022 | 1.52344 |
| 2021 | 1.39552 |
| 2020 | 1.27363 |
| 2019 | 1.16584 |
| 2018 | 1.08147 |
| 2017 | 1.02381 |
| 2016 | 0.990224 |
| 2015 | 0.973996 |
| 2014 | 0.963488 |
| 2013 | 0.947055 |
| 2012 | 0.921494 |
| 2011 | 0.886319 |
| 2010 | 0.858223 |
| 2009 | 0.843534 |
| 2008 | 0.832195 |
| 2007 | 0.822738 |
| 2006 | 0.816357 |
| 2005 | 0.815069 |
| 2004 | 0.814371 |
| 2003 | 0.808848 |
| 2002 | 0.796692 |
| 2001 | 0.778675 |
| 2000 | 0.755188 |
| 1999 | 0.732051 |
| 1998 | 0.714522 |
| 1997 | 0.70216 |
| 1996 | 0.693432 |
| 1995 | 0.688884 |
| 1994 | 0.68624 |
| 1993 | 0.681313 |
| 1992 | 0.670254 |
| 1991 | 0.657322 |
| 1990 | 0.649469 |
| 1989 | 0.645002 |
| 1988 | 0.6497 |
| 1987 | 0.668208 |
| 1986 | 0.692851 |
| 1985 | 0.717293 |
| 1984 | 0.737379 |
| 1983 | 0.751204 |
| 1982 | 0.766407 |
| 1981 | 0.789019 |
| 1980 | 0.807246 |
| 1979 | 0.812226 |
| 1978 | 0.810214 |
| 1977 | 0.802516 |
| 1976 | 0.792737 |
| 1975 | 0.784744 |
| 1974 | 0.773923 |
| 1973 | 0.755638 |
| 1972 | 0.727284 |
| 1971 | 0.698452 |
| 1970 | 0.683335 |
| 1969 | 0.682265 |
| 1968 | 0.688233 |
| 1967 | 0.69728 |
| 1966 | 0.703283 |
| 1965 | 0.701341 |
| 1964 | 0.692855 |
| 1963 | 0.679488 |
| 1962 | 0.666373 |
| 1961 | 0.663387 |
| 1960 | 0.681469 |