| 年份 | 文莱达鲁萨兰国 |
|---|---|
| 2023 | - |
| 2022 | 8.53685 |
| 2021 | 8.41741 |
| 2020 | 8.28527 |
| 2019 | 8.16349 |
| 2018 | 8.06204 |
| 2017 | 7.98806 |
| 2016 | 7.9347 |
| 2015 | 7.88619 |
| 2014 | 7.82976 |
| 2013 | 7.75373 |
| 2012 | 7.6515 |
| 2011 | 7.52688 |
| 2010 | 7.37548 |
| 2009 | 7.22797 |
| 2008 | 7.12889 |
| 2007 | 7.08015 |
| 2006 | 7.07544 |
| 2005 | 7.10788 |
| 2004 | 7.16095 |
| 2003 | 7.20561 |
| 2002 | 7.22473 |
| 2001 | 7.21529 |
| 2000 | 7.18096 |
| 1999 | 7.12895 |
| 1998 | 7.06688 |
| 1997 | 6.99414 |
| 1996 | 6.90104 |
| 1995 | 6.77702 |
| 1994 | 6.61722 |
| 1993 | 6.42136 |
| 1992 | 6.18398 |
| 1991 | 5.86736 |
| 1990 | 5.47501 |
| 1989 | 5.09203 |
| 1988 | 4.78292 |
| 1987 | 4.57104 |
| 1986 | 4.4597 |
| 1985 | 4.43228 |
| 1984 | 4.44841 |
| 1983 | 4.46628 |
| 1982 | 4.46427 |
| 1981 | 4.41101 |
| 1980 | 4.31757 |
| 1979 | 4.23836 |
| 1978 | 4.19753 |
| 1977 | 4.20713 |
| 1976 | 4.27095 |
| 1975 | 4.37041 |
| 1974 | 4.47907 |
| 1973 | 4.5778 |
| 1972 | 4.65642 |
| 1971 | 4.67923 |
| 1970 | 4.63558 |
| 1969 | 4.58558 |
| 1968 | 4.56757 |
| 1967 | 4.58325 |
| 1966 | 4.62877 |
| 1965 | 4.69639 |
| 1964 | 4.76917 |
| 1963 | 4.83742 |
| 1962 | 4.90975 |
| 1961 | 4.9959 |
| 1960 | 5.05459 |