| 年份 | 文莱达鲁萨兰国 |
|---|---|
| 2023 | - |
| 2022 | 5.42107 |
| 2021 | 5.29787 |
| 2020 | 5.17826 |
| 2019 | 5.05166 |
| 2018 | 4.90362 |
| 2017 | 4.73168 |
| 2016 | 4.53512 |
| 2015 | 4.31815 |
| 2014 | 4.09234 |
| 2013 | 3.86915 |
| 2012 | 3.65307 |
| 2011 | 3.44248 |
| 2010 | 3.28945 |
| 2009 | 3.18718 |
| 2008 | 3.07391 |
| 2007 | 2.94876 |
| 2006 | 2.81221 |
| 2005 | 2.66643 |
| 2004 | 2.52174 |
| 2003 | 2.39586 |
| 2002 | 2.30134 |
| 2001 | 2.24176 |
| 2000 | 2.2127 |
| 1999 | 2.19586 |
| 1998 | 2.16929 |
| 1997 | 2.12489 |
| 1996 | 2.06057 |
| 1995 | 1.98444 |
| 1994 | 1.90923 |
| 1993 | 1.84113 |
| 1992 | 1.78543 |
| 1991 | 1.76603 |
| 1990 | 1.79433 |
| 1989 | 1.8468 |
| 1988 | 1.90248 |
| 1987 | 1.94398 |
| 1986 | 1.96988 |
| 1985 | 1.9833 |
| 1984 | 1.9889 |
| 1983 | 1.99728 |
| 1982 | 2.01434 |
| 1981 | 2.05012 |
| 1980 | 2.10609 |
| 1979 | 2.16729 |
| 1978 | 2.20887 |
| 1977 | 2.2157 |
| 1976 | 2.1933 |
| 1975 | 2.1514 |
| 1974 | 2.10467 |
| 1973 | 2.07924 |
| 1972 | 2.08878 |
| 1971 | 2.13401 |
| 1970 | 2.21026 |
| 1969 | 2.29351 |
| 1968 | 2.35707 |
| 1967 | 2.39033 |
| 1966 | 2.39909 |
| 1965 | 2.39928 |
| 1964 | 2.40002 |
| 1963 | 2.4168 |
| 1962 | 2.46538 |
| 1961 | 2.54421 |
| 1960 | 2.63184 |