| 年份 | 文莱达鲁萨兰国 |
|---|---|
| 2023 | - |
| 2022 | - |
| 2021 | 5.211 |
| 2020 | 4.975 |
| 2019 | 4.834 |
| 2018 | 4.7 |
| 2017 | 4.556 |
| 2016 | 4.42 |
| 2015 | 4.29 |
| 2014 | 4.162 |
| 2013 | 4.043 |
| 2012 | 3.926 |
| 2011 | 3.813 |
| 2010 | 3.751 |
| 2009 | 3.684 |
| 2008 | 3.615 |
| 2007 | 3.551 |
| 2006 | 3.491 |
| 2005 | 3.438 |
| 2004 | 3.396 |
| 2003 | 3.36 |
| 2002 | 3.339 |
| 2001 | 3.326 |
| 2000 | 3.331 |
| 1999 | 3.346 |
| 1998 | 3.375 |
| 1997 | 3.415 |
| 1996 | 3.466 |
| 1995 | 3.532 |
| 1994 | 3.603 |
| 1993 | 3.677 |
| 1992 | 3.756 |
| 1991 | 3.817 |
| 1990 | 3.87 |
| 1989 | 3.926 |
| 1988 | 3.981 |
| 1987 | 4.041 |
| 1986 | 4.089 |
| 1985 | 4.168 |
| 1984 | 4.235 |
| 1983 | 4.319 |
| 1982 | 4.405 |
| 1981 | 4.492 |
| 1980 | 4.573 |
| 1979 | 4.687 |
| 1978 | 4.809 |
| 1977 | 4.952 |
| 1976 | 5.13 |
| 1975 | 5.339 |
| 1974 | 5.595 |
| 1973 | 5.868 |
| 1972 | 6.18 |
| 1971 | 6.487 |
| 1970 | 6.75 |
| 1969 | 7.001 |
| 1968 | 7.257 |
| 1967 | 7.517 |
| 1966 | 7.827 |
| 1965 | 8.278 |
| 1964 | 8.7 |
| 1963 | 9.268 |
| 1962 | 10.449 |
| 1961 | 10.73 |
| 1960 | 11.655 |