| 年份 | 新加坡 |
|---|---|
| 2023 | - |
| 2022 | 7.81804 |
| 2021 | 7.89385 |
| 2020 | 8.00235 |
| 2019 | 8.15957 |
| 2018 | 8.33919 |
| 2017 | 8.50843 |
| 2016 | 8.66118 |
| 2015 | 8.76646 |
| 2014 | 8.80577 |
| 2013 | 8.81262 |
| 2012 | 8.82581 |
| 2011 | 8.8674 |
| 2010 | 8.94142 |
| 2009 | 9.06127 |
| 2008 | 9.25082 |
| 2007 | 9.49884 |
| 2006 | 9.76869 |
| 2005 | 10.0306 |
| 2004 | 10.2216 |
| 2003 | 10.3377 |
| 2002 | 10.4096 |
| 2001 | 10.4262 |
| 2000 | 10.3471 |
| 1999 | 10.1708 |
| 1998 | 9.94381 |
| 1997 | 9.68893 |
| 1996 | 9.43238 |
| 1995 | 9.15798 |
| 1994 | 8.83248 |
| 1993 | 8.47508 |
| 1992 | 8.09703 |
| 1991 | 7.68884 |
| 1990 | 7.28395 |
| 1989 | 6.889 |
| 1988 | 6.4655 |
| 1987 | 6.03862 |
| 1986 | 5.65465 |
| 1985 | 5.31776 |
| 1984 | 5.14654 |
| 1983 | 5.20318 |
| 1982 | 5.34659 |
| 1981 | 5.43568 |
| 1980 | 5.39022 |
| 1979 | 5.23094 |
| 1978 | 5.07179 |
| 1977 | 4.99299 |
| 1976 | 4.9613 |
| 1975 | 4.92759 |
| 1974 | 4.92575 |
| 1973 | 4.96616 |
| 1972 | 4.99753 |
| 1971 | 4.98889 |
| 1970 | 4.93662 |
| 1969 | 4.83662 |
| 1968 | 4.73763 |
| 1967 | 4.69367 |
| 1966 | 4.70411 |
| 1965 | 4.7667 |
| 1964 | 4.87754 |
| 1963 | 5.02671 |
| 1962 | 5.20321 |
| 1961 | 5.38777 |
| 1960 | 5.64002 |