| 年份 | 文莱达鲁萨兰国 |
|---|---|
| 2023 | - |
| 2022 | - |
| 2021 | 1.778 |
| 2020 | 1.796 |
| 2019 | 1.819 |
| 2018 | 1.848 |
| 2017 | 1.881 |
| 2016 | 1.915 |
| 2015 | 1.947 |
| 2014 | 1.969 |
| 2013 | 1.978 |
| 2012 | 1.973 |
| 2011 | 1.957 |
| 2010 | 1.937 |
| 2009 | 1.921 |
| 2008 | 1.918 |
| 2007 | 1.933 |
| 2006 | 1.969 |
| 2005 | 2.022 |
| 2004 | 2.086 |
| 2003 | 2.154 |
| 2002 | 2.22 |
| 2001 | 2.284 |
| 2000 | 2.346 |
| 1999 | 2.413 |
| 1998 | 2.489 |
| 1997 | 2.578 |
| 1996 | 2.677 |
| 1995 | 2.785 |
| 1994 | 2.897 |
| 1993 | 3.007 |
| 1992 | 3.111 |
| 1991 | 3.206 |
| 1990 | 3.29 |
| 1989 | 3.363 |
| 1988 | 3.428 |
| 1987 | 3.488 |
| 1986 | 3.546 |
| 1985 | 3.608 |
| 1984 | 3.675 |
| 1983 | 3.751 |
| 1982 | 3.84 |
| 1981 | 3.943 |
| 1980 | 4.067 |
| 1979 | 4.216 |
| 1978 | 4.389 |
| 1977 | 4.58 |
| 1976 | 4.784 |
| 1975 | 4.99 |
| 1974 | 5.183 |
| 1973 | 5.355 |
| 1972 | 5.5 |
| 1971 | 5.619 |
| 1970 | 5.719 |
| 1969 | 5.812 |
| 1968 | 5.912 |
| 1967 | 6.026 |
| 1966 | 6.156 |
| 1965 | 6.297 |
| 1964 | 6.44 |
| 1963 | 6.572 |
| 1962 | 6.683 |
| 1961 | 6.771 |
| 1960 | 6.836 |