| 年份 | 文莱达鲁萨兰国 |
|---|---|
| 2023 | - |
| 2022 | 5.38639 |
| 2021 | 5.23911 |
| 2020 | 5.11457 |
| 2019 | 4.99544 |
| 2018 | 4.86316 |
| 2017 | 4.71054 |
| 2016 | 4.54081 |
| 2015 | 4.35575 |
| 2014 | 4.1662 |
| 2013 | 3.97632 |
| 2012 | 3.78325 |
| 2011 | 3.58365 |
| 2010 | 3.40155 |
| 2009 | 3.23828 |
| 2008 | 3.07295 |
| 2007 | 2.90602 |
| 2006 | 2.73122 |
| 2005 | 2.55216 |
| 2004 | 2.37496 |
| 2003 | 2.21794 |
| 2002 | 2.11043 |
| 2001 | 2.06262 |
| 2000 | 2.06443 |
| 1999 | 2.0917 |
| 1998 | 2.10934 |
| 1997 | 2.09847 |
| 1996 | 2.06586 |
| 1995 | 2.02512 |
| 1994 | 1.995 |
| 1993 | 1.98619 |
| 1992 | 1.99286 |
| 1991 | 2.01093 |
| 1990 | 2.0298 |
| 1989 | 2.02803 |
| 1988 | 1.9961 |
| 1987 | 1.9389 |
| 1986 | 1.86843 |
| 1985 | 1.80949 |
| 1984 | 1.77523 |
| 1983 | 1.76001 |
| 1982 | 1.75798 |
| 1981 | 1.76014 |
| 1980 | 1.77168 |
| 1979 | 1.79305 |
| 1978 | 1.81426 |
| 1977 | 1.82731 |
| 1976 | 1.81768 |
| 1975 | 1.78523 |
| 1974 | 1.74295 |
| 1973 | 1.71354 |
| 1972 | 1.71153 |
| 1971 | 1.75433 |
| 1970 | 1.84023 |
| 1969 | 1.92939 |
| 1968 | 1.98567 |
| 1967 | 1.98857 |
| 1966 | 1.93971 |
| 1965 | 1.85723 |
| 1964 | 1.78086 |
| 1963 | 1.7474 |
| 1962 | 1.77706 |
| 1961 | 1.88562 |
| 1960 | 2.08595 |