| 年份 | 新加坡 |
|---|---|
| 2023 | - |
| 2022 | 8.0593 |
| 2021 | 8.10232 |
| 2020 | 8.15937 |
| 2019 | 8.25183 |
| 2018 | 8.3576 |
| 2017 | 8.45209 |
| 2016 | 8.53587 |
| 2015 | 8.58933 |
| 2014 | 8.60553 |
| 2013 | 8.60971 |
| 2012 | 8.622 |
| 2011 | 8.64977 |
| 2010 | 8.70651 |
| 2009 | 8.80843 |
| 2008 | 8.96374 |
| 2007 | 9.17174 |
| 2006 | 9.41597 |
| 2005 | 9.64933 |
| 2004 | 9.81016 |
| 2003 | 9.91586 |
| 2002 | 9.98526 |
| 2001 | 10 |
| 2000 | 9.93238 |
| 1999 | 9.78056 |
| 1998 | 9.579 |
| 1997 | 9.35265 |
| 1996 | 9.12743 |
| 1995 | 8.88952 |
| 1994 | 8.59835 |
| 1993 | 8.2642 |
| 1992 | 7.90184 |
| 1991 | 7.50493 |
| 1990 | 7.10927 |
| 1989 | 6.7337 |
| 1988 | 6.34607 |
| 1987 | 5.96565 |
| 1986 | 5.63306 |
| 1985 | 5.34722 |
| 1984 | 5.22532 |
| 1983 | 5.33701 |
| 1982 | 5.53096 |
| 1981 | 5.65253 |
| 1980 | 5.6185 |
| 1979 | 5.4428 |
| 1978 | 5.24624 |
| 1977 | 5.13051 |
| 1976 | 5.05602 |
| 1975 | 4.95379 |
| 1974 | 4.87229 |
| 1973 | 4.84928 |
| 1972 | 4.83654 |
| 1971 | 4.776 |
| 1970 | 4.65826 |
| 1969 | 4.54862 |
| 1968 | 4.48634 |
| 1967 | 4.45969 |
| 1966 | 4.49117 |
| 1965 | 4.56186 |
| 1964 | 4.64834 |
| 1963 | 4.75358 |
| 1962 | 4.8614 |
| 1961 | 4.95846 |
| 1960 | 5.09209 |