| 年份 | 新加坡 |
|---|---|
| 2023 | - |
| 2022 | 4.11878 |
| 2021 | 4.25621 |
| 2020 | 4.5233 |
| 2019 | 4.94585 |
| 2018 | 5.48817 |
| 2017 | 6.06402 |
| 2016 | 6.60246 |
| 2015 | 6.97442 |
| 2014 | 7.10259 |
| 2013 | 7.1536 |
| 2012 | 7.31087 |
| 2011 | 7.58268 |
| 2010 | 7.80215 |
| 2009 | 7.7803 |
| 2008 | 7.59939 |
| 2007 | 7.46033 |
| 2006 | 7.43928 |
| 2005 | 7.42095 |
| 2004 | 7.24176 |
| 2003 | 7.02925 |
| 2002 | 6.9464 |
| 2001 | 6.99368 |
| 2000 | 7.05366 |
| 1999 | 6.97201 |
| 1998 | 6.82278 |
| 1997 | 6.76888 |
| 1996 | 6.85998 |
| 1995 | 7.06818 |
| 1994 | 7.29651 |
| 1993 | 7.50244 |
| 1992 | 7.73351 |
| 1991 | 8.04051 |
| 1990 | 8.42284 |
| 1989 | 8.78806 |
| 1988 | 9.05688 |
| 1987 | 9.22789 |
| 1986 | 9.31855 |
| 1985 | 9.45293 |
| 1984 | 9.8357 |
| 1983 | 10.4198 |
| 1982 | 11.0002 |
| 1981 | 11.4852 |
| 1980 | 11.9199 |
| 1979 | 12.2923 |
| 1978 | 12.585 |
| 1977 | 12.8471 |
| 1976 | 13.0327 |
| 1975 | 13.0488 |
| 1974 | 12.9601 |
| 1973 | 12.8431 |
| 1972 | 12.6332 |
| 1971 | 12.3418 |
| 1970 | 12.0523 |
| 1969 | 11.7428 |
| 1968 | 11.3648 |
| 1967 | 10.9877 |
| 1966 | 10.5372 |
| 1965 | 9.91889 |
| 1964 | 9.29219 |
| 1963 | 8.81004 |
| 1962 | 8.46484 |
| 1961 | 8.28984 |
| 1960 | 8.31143 |