| 年份 | 文莱达鲁萨兰国 |
|---|---|
| 2023 | - |
| 2022 | 0.811521 |
| 2021 | 0.822462 |
| 2020 | 0.835902 |
| 2019 | 0.865282 |
| 2018 | 0.924881 |
| 2017 | 1.00016 |
| 2016 | 1.0755 |
| 2015 | 1.14094 |
| 2014 | 1.19612 |
| 2013 | 1.23863 |
| 2012 | 1.2691 |
| 2011 | 1.36744 |
| 2010 | 1.46042 |
| 2009 | 1.48232 |
| 2008 | 1.52496 |
| 2007 | 1.58075 |
| 2006 | 1.64731 |
| 2005 | 1.72067 |
| 2004 | 1.79597 |
| 2003 | 1.87658 |
| 2002 | 1.9515 |
| 2001 | 2.02238 |
| 2000 | 2.08216 |
| 1999 | 2.13019 |
| 1998 | 2.1906 |
| 1997 | 2.26644 |
| 1996 | 2.34575 |
| 1995 | 2.42368 |
| 1994 | 2.50495 |
| 1993 | 2.59635 |
| 1992 | 2.76149 |
| 1991 | 2.98336 |
| 1990 | 3.14404 |
| 1989 | 3.24 |
| 1988 | 3.31694 |
| 1987 | 3.37852 |
| 1986 | 3.40614 |
| 1985 | 3.40554 |
| 1984 | 3.39157 |
| 1983 | 3.37798 |
| 1982 | 3.30941 |
| 1981 | 3.23467 |
| 1980 | 3.22842 |
| 1979 | 3.22539 |
| 1978 | 3.23964 |
| 1977 | 3.27539 |
| 1976 | 3.33306 |
| 1975 | 3.40132 |
| 1974 | 3.4607 |
| 1973 | 3.53611 |
| 1972 | 3.69532 |
| 1971 | 3.91434 |
| 1970 | 4.08007 |
| 1969 | 4.18602 |
| 1968 | 4.27367 |
| 1967 | 4.3712 |
| 1966 | 4.45955 |
| 1965 | 4.54231 |
| 1964 | 4.60065 |
| 1963 | 4.62308 |
| 1962 | 4.66393 |
| 1961 | 4.82064 |
| 1960 | - |