| 年份 | 新加坡 |
|---|---|
| 2023 | - |
| 2022 | 3.05176 |
| 2021 | 2.98059 |
| 2020 | 2.93474 |
| 2019 | 2.86496 |
| 2018 | 2.76838 |
| 2017 | 2.65013 |
| 2016 | 2.5245 |
| 2015 | 2.40911 |
| 2014 | 2.30859 |
| 2013 | 2.21808 |
| 2012 | 2.13444 |
| 2011 | 2.05737 |
| 2010 | 1.98566 |
| 2009 | 1.91746 |
| 2008 | 1.85052 |
| 2007 | 1.78321 |
| 2006 | 1.71628 |
| 2005 | 1.65197 |
| 2004 | 1.59566 |
| 2003 | 1.55156 |
| 2002 | 1.51676 |
| 2001 | 1.48702 |
| 2000 | 1.46092 |
| 1999 | 1.43972 |
| 1998 | 1.42285 |
| 1997 | 1.40911 |
| 1996 | 1.39879 |
| 1995 | 1.38385 |
| 1994 | 1.35462 |
| 1993 | 1.31472 |
| 1992 | 1.26879 |
| 1991 | 1.21673 |
| 1990 | 1.15666 |
| 1989 | 1.08736 |
| 1988 | 1.01498 |
| 1987 | 0.945752 |
| 1986 | 0.883772 |
| 1985 | 0.836336 |
| 1984 | 0.806994 |
| 1983 | 0.784035 |
| 1982 | 0.759722 |
| 1981 | 0.735235 |
| 1980 | 0.707364 |
| 1979 | 0.676394 |
| 1978 | 0.640244 |
| 1977 | 0.604757 |
| 1976 | 0.578116 |
| 1975 | 0.557183 |
| 1974 | 0.538203 |
| 1973 | 0.518358 |
| 1972 | 0.499713 |
| 1971 | 0.484355 |
| 1970 | 0.471583 |
| 1969 | 0.441604 |
| 1968 | 0.396642 |
| 1967 | 0.357729 |
| 1966 | 0.323526 |
| 1965 | 0.294216 |
| 1964 | 0.268769 |
| 1963 | 0.245242 |
| 1962 | 0.224178 |
| 1961 | 0.208702 |
| 1960 | 0.199495 |