| 年份 | 新加坡 |
|---|---|
| 2023 | - |
| 2022 | 4.31205 |
| 2021 | 3.87934 |
| 2020 | 3.48415 |
| 2019 | 3.14969 |
| 2018 | 2.86215 |
| 2017 | 2.62004 |
| 2016 | 2.42233 |
| 2015 | 2.25253 |
| 2014 | 2.12031 |
| 2013 | 2.05215 |
| 2012 | 2.05636 |
| 2011 | 2.11369 |
| 2010 | 2.19018 |
| 2009 | 2.24436 |
| 2008 | 2.25264 |
| 2007 | 2.2235 |
| 2006 | 2.1879 |
| 2005 | 2.15955 |
| 2004 | 2.1194 |
| 2003 | 2.06987 |
| 2002 | 2.03266 |
| 2001 | 2.01284 |
| 2000 | 1.9908 |
| 1999 | 1.93771 |
| 1998 | 1.85811 |
| 1997 | 1.77724 |
| 1996 | 1.7093 |
| 1995 | 1.66164 |
| 1994 | 1.63556 |
| 1993 | 1.63044 |
| 1992 | 1.64386 |
| 1991 | 1.67132 |
| 1990 | 1.70243 |
| 1989 | 1.72235 |
| 1988 | 1.73007 |
| 1987 | 1.73181 |
| 1986 | 1.72929 |
| 1985 | 1.72366 |
| 1984 | 1.7157 |
| 1983 | 1.70181 |
| 1982 | 1.67344 |
| 1981 | 1.62447 |
| 1980 | 1.56483 |
| 1979 | 1.50951 |
| 1978 | 1.45546 |
| 1977 | 1.4029 |
| 1976 | 1.3586 |
| 1975 | 1.31579 |
| 1974 | 1.26564 |
| 1973 | 1.21243 |
| 1972 | 1.16215 |
| 1971 | 1.11148 |
| 1970 | 1.06325 |
| 1969 | 1.01447 |
| 1968 | 0.954368 |
| 1967 | 0.889876 |
| 1966 | 0.828554 |
| 1965 | 0.771335 |
| 1964 | 0.71927 |
| 1963 | 0.676955 |
| 1962 | 0.650709 |
| 1961 | 0.635635 |
| 1960 | 0.623704 |