| 年份 | 新加坡 |
|---|---|
| 2023 | - |
| 2022 | 1.66603 |
| 2021 | 1.53622 |
| 2020 | 1.43459 |
| 2019 | 1.35501 |
| 2018 | 1.3091 |
| 2017 | 1.29133 |
| 2016 | 1.28676 |
| 2015 | 1.28604 |
| 2014 | 1.28656 |
| 2013 | 1.27595 |
| 2012 | 1.23825 |
| 2011 | 1.17944 |
| 2010 | 1.11985 |
| 2009 | 1.07902 |
| 2008 | 1.05899 |
| 2007 | 1.05015 |
| 2006 | 1.04576 |
| 2005 | 1.03948 |
| 2004 | 1.03065 |
| 2003 | 1.01744 |
| 2002 | 0.991509 |
| 2001 | 0.950685 |
| 2000 | 0.902519 |
| 1999 | 0.863891 |
| 1998 | 0.844852 |
| 1997 | 0.840036 |
| 1996 | 0.843584 |
| 1995 | 0.851938 |
| 1994 | 0.863508 |
| 1993 | 0.878304 |
| 1992 | 0.895175 |
| 1991 | 0.912461 |
| 1990 | 0.926657 |
| 1989 | 0.931182 |
| 1988 | 0.925372 |
| 1987 | 0.911765 |
| 1986 | 0.890474 |
| 1985 | 0.85702 |
| 1984 | 0.807819 |
| 1983 | 0.754151 |
| 1982 | 0.70811 |
| 1981 | 0.673645 |
| 1980 | 0.649262 |
| 1979 | 0.622288 |
| 1978 | 0.581824 |
| 1977 | 0.535302 |
| 1976 | 0.491233 |
| 1975 | 0.449435 |
| 1974 | 0.415336 |
| 1973 | 0.389595 |
| 1972 | 0.370358 |
| 1971 | 0.357687 |
| 1970 | 0.34728 |
| 1969 | 0.321658 |
| 1968 | 0.282676 |
| 1967 | 0.250684 |
| 1966 | 0.22715 |
| 1965 | 0.20913 |
| 1964 | 0.193788 |
| 1963 | 0.18027 |
| 1962 | 0.168266 |
| 1961 | 0.158597 |
| 1960 | 0.151662 |