| 年份 | 新加坡 |
|---|---|
| 2023 | - |
| 2022 | 3.95695 |
| 2021 | 4.09772 |
| 2020 | 4.21372 |
| 2019 | 4.17104 |
| 2018 | 4.0261 |
| 2017 | 3.93995 |
| 2016 | 3.87848 |
| 2015 | 3.89279 |
| 2014 | 4.0176 |
| 2013 | 4.13142 |
| 2012 | 4.15668 |
| 2011 | 4.1255 |
| 2010 | 4.17019 |
| 2009 | 4.36703 |
| 2008 | 4.58659 |
| 2007 | 4.74954 |
| 2006 | 4.89349 |
| 2005 | 5.11026 |
| 2004 | 5.42685 |
| 2003 | 5.71145 |
| 2002 | 5.89125 |
| 2001 | 5.98423 |
| 2000 | 6.16444 |
| 1999 | 6.58131 |
| 1998 | 7.03369 |
| 1997 | 7.34782 |
| 1996 | 7.54105 |
| 1995 | 7.69571 |
| 1994 | 7.90006 |
| 1993 | 8.07692 |
| 1992 | 8.14262 |
| 1991 | 8.08654 |
| 1990 | 8.00827 |
| 1989 | 8.05274 |
| 1988 | 8.14638 |
| 1987 | 8.17355 |
| 1986 | 8.14899 |
| 1985 | 8.12249 |
| 1984 | 8.10509 |
| 1983 | 8.10841 |
| 1982 | 8.13336 |
| 1981 | 8.22209 |
| 1980 | 8.28154 |
| 1979 | 8.33935 |
| 1978 | 8.61889 |
| 1977 | 9.07765 |
| 1976 | 9.4669 |
| 1975 | 9.76945 |
| 1974 | 10.0566 |
| 1973 | 10.2634 |
| 1972 | 10.4912 |
| 1971 | 10.8987 |
| 1970 | 11.5248 |
| 1969 | 12.3227 |
| 1968 | 13.1654 |
| 1967 | 13.9417 |
| 1966 | 14.7175 |
| 1965 | 15.5584 |
| 1964 | 16.4314 |
| 1963 | 17.3458 |
| 1962 | 18.2823 |
| 1961 | 19.1 |
| 1960 | 19.9038 |