| 年份 | 文莱达鲁萨兰国 |
|---|---|
| 2023 | - |
| 2022 | 0.732542 |
| 2021 | 0.70796 |
| 2020 | 0.695085 |
| 2019 | 0.686278 |
| 2018 | 0.673725 |
| 2017 | 0.654594 |
| 2016 | 0.628764 |
| 2015 | 0.600543 |
| 2014 | 0.577122 |
| 2013 | 0.561356 |
| 2012 | 0.55176 |
| 2011 | 0.548708 |
| 2010 | 0.552651 |
| 2009 | 0.557928 |
| 2008 | 0.558371 |
| 2007 | 0.552876 |
| 2006 | 0.542784 |
| 2005 | 0.526877 |
| 2004 | 0.509114 |
| 2003 | 0.495537 |
| 2002 | 0.485026 |
| 2001 | 0.476074 |
| 2000 | 0.467836 |
| 1999 | 0.460792 |
| 1998 | 0.453191 |
| 1997 | 0.442358 |
| 1996 | 0.427154 |
| 1995 | 0.407598 |
| 1994 | 0.389514 |
| 1993 | 0.380889 |
| 1992 | 0.385464 |
| 1991 | 0.400772 |
| 1990 | 0.42014 |
| 1989 | 0.436985 |
| 1988 | 0.448801 |
| 1987 | 0.459686 |
| 1986 | 0.471866 |
| 1985 | 0.481116 |
| 1984 | 0.484834 |
| 1983 | 0.482408 |
| 1982 | 0.472342 |
| 1981 | 0.459747 |
| 1980 | 0.453371 |
| 1979 | 0.450674 |
| 1978 | 0.443029 |
| 1977 | 0.427468 |
| 1976 | 0.405587 |
| 1975 | 0.379081 |
| 1974 | 0.350478 |
| 1973 | 0.323314 |
| 1972 | 0.302982 |
| 1971 | 0.301907 |
| 1970 | 0.319815 |
| 1969 | 0.339324 |
| 1968 | 0.349782 |
| 1967 | 0.352193 |
| 1966 | 0.353707 |
| 1965 | 0.360195 |
| 1964 | 0.367767 |
| 1963 | 0.369763 |
| 1962 | 0.369207 |
| 1961 | 0.367964 |
| 1960 | 0.379454 |