| 年份 | 文莱达鲁萨兰国 |
|---|---|
| 2023 | - |
| 2022 | - |
| 2021 | 12.5 |
| 2020 | 12.5 |
| 2019 | 12.4 |
| 2018 | 12.2 |
| 2017 | 11.9 |
| 2016 | 11.7 |
| 2015 | 11.5 |
| 2014 | 11.2 |
| 2013 | 11 |
| 2012 | 10.8 |
| 2011 | 10.6 |
| 2010 | 10.4 |
| 2009 | 10.3 |
| 2008 | 10.2 |
| 2007 | 10.2 |
| 2006 | 10.2 |
| 2005 | 10.2 |
| 2004 | 10.3 |
| 2003 | 10.4 |
| 2002 | 10.5 |
| 2001 | 10.8 |
| 2000 | 11.1 |
| 1999 | 11.5 |
| 1998 | 11.9 |
| 1997 | 12.4 |
| 1996 | 12.9 |
| 1995 | 13.4 |
| 1994 | 13.8 |
| 1993 | 14.1 |
| 1992 | 14.3 |
| 1991 | 14.4 |
| 1990 | 14.4 |
| 1989 | 14.5 |
| 1988 | 14.6 |
| 1987 | 14.9 |
| 1986 | 15.4 |
| 1985 | 16.1 |
| 1984 | 16.9 |
| 1983 | 18 |
| 1982 | 19.3 |
| 1981 | 20.8 |
| 1980 | 22.6 |
| 1979 | 24.7 |
| 1978 | 27.2 |
| 1977 | 30 |
| 1976 | 33.2 |
| 1975 | 36.8 |
| 1974 | 40.9 |
| 1973 | 45.3 |
| 1972 | 49.9 |
| 1971 | 54.4 |
| 1970 | 58.6 |
| 1969 | 62.3 |
| 1968 | 65.8 |
| 1967 | 69.3 |
| 1966 | 73.5 |
| 1965 | 78.7 |
| 1964 | 85.8 |
| 1963 | 94.9 |
| 1962 | 106 |
| 1961 | 118.6 |
| 1960 | 131.8 |