| 年份 | 新加坡 |
|---|---|
| 2023 | - |
| 2022 | 3.91943 |
| 2021 | 3.35618 |
| 2020 | 2.8768 |
| 2019 | 2.50103 |
| 2018 | 2.21376 |
| 2017 | 2.00556 |
| 2016 | 1.85813 |
| 2015 | 1.73809 |
| 2014 | 1.63062 |
| 2013 | 1.55655 |
| 2012 | 1.54478 |
| 2011 | 1.59425 |
| 2010 | 1.67627 |
| 2009 | 1.73804 |
| 2008 | 1.7485 |
| 2007 | 1.72399 |
| 2006 | 1.69799 |
| 2005 | 1.67446 |
| 2004 | 1.62648 |
| 2003 | 1.56888 |
| 2002 | 1.5363 |
| 2001 | 1.53302 |
| 2000 | 1.53643 |
| 1999 | 1.51319 |
| 1998 | 1.46404 |
| 1997 | 1.41422 |
| 1996 | 1.37906 |
| 1995 | 1.36127 |
| 1994 | 1.3515 |
| 1993 | 1.34667 |
| 1992 | 1.35078 |
| 1991 | 1.36539 |
| 1990 | 1.38928 |
| 1989 | 1.41416 |
| 1988 | 1.43288 |
| 1987 | 1.44359 |
| 1986 | 1.44573 |
| 1985 | 1.44272 |
| 1984 | 1.441 |
| 1983 | 1.43584 |
| 1982 | 1.41176 |
| 1981 | 1.36017 |
| 1980 | 1.29167 |
| 1979 | 1.22682 |
| 1978 | 1.17467 |
| 1977 | 1.1303 |
| 1976 | 1.0899 |
| 1975 | 1.05514 |
| 1974 | 1.01557 |
| 1973 | 0.959204 |
| 1972 | 0.895499 |
| 1971 | 0.833042 |
| 1970 | 0.771811 |
| 1969 | 0.707093 |
| 1968 | 0.636107 |
| 1967 | 0.568201 |
| 1966 | 0.5064 |
| 1965 | 0.449924 |
| 1964 | 0.402454 |
| 1963 | 0.36874 |
| 1962 | 0.348686 |
| 1961 | 0.337399 |
| 1960 | 0.331361 |