| 年份 | 新加坡 |
|---|---|
| 2023 | - |
| 2022 | 8.25297 |
| 2021 | 8.40905 |
| 2020 | 8.53066 |
| 2019 | 8.5991 |
| 2018 | 8.6097 |
| 2017 | 8.5755 |
| 2016 | 8.51042 |
| 2015 | 8.41165 |
| 2014 | 8.26994 |
| 2013 | 8.06613 |
| 2012 | 7.7905 |
| 2011 | 7.48754 |
| 2010 | 7.22195 |
| 2009 | 6.99999 |
| 2008 | 6.77348 |
| 2007 | 6.5094 |
| 2006 | 6.20443 |
| 2005 | 5.88984 |
| 2004 | 5.55607 |
| 2003 | 5.16772 |
| 2002 | 4.75709 |
| 2001 | 4.37515 |
| 2000 | 4.04544 |
| 1999 | 3.81123 |
| 1998 | 3.70862 |
| 1997 | 3.71122 |
| 1996 | 3.76887 |
| 1995 | 3.82752 |
| 1994 | 3.82511 |
| 1993 | 3.74561 |
| 1992 | 3.60711 |
| 1991 | 3.44616 |
| 1990 | 3.32747 |
| 1989 | 3.28153 |
| 1988 | 3.28093 |
| 1987 | 3.30452 |
| 1986 | 3.34485 |
| 1985 | 3.37794 |
| 1984 | 3.37342 |
| 1983 | 3.3308 |
| 1982 | 3.28151 |
| 1981 | 3.25239 |
| 1980 | 3.23994 |
| 1979 | 3.22975 |
| 1978 | 3.21469 |
| 1977 | 3.19333 |
| 1976 | 3.16805 |
| 1975 | 3.12963 |
| 1974 | 3.09348 |
| 1973 | 3.08607 |
| 1972 | 3.10752 |
| 1971 | 3.14554 |
| 1970 | 3.18111 |
| 1969 | 3.19819 |
| 1968 | 3.18049 |
| 1967 | 3.12543 |
| 1966 | 3.04849 |
| 1965 | 2.96343 |
| 1964 | 2.89048 |
| 1963 | 2.83775 |
| 1962 | 2.78747 |
| 1961 | 2.72494 |
| 1960 | 2.63929 |