| 年份 | 新加坡 |
|---|---|
| 2023 | - |
| 2022 | 20.6964 |
| 2021 | 19.1199 |
| 2020 | 17.6108 |
| 2019 | 16.1324 |
| 2018 | 14.7172 |
| 2017 | 13.4174 |
| 2016 | 12.2641 |
| 2015 | 11.386 |
| 2014 | 10.8576 |
| 2013 | 10.4723 |
| 2012 | 10.0493 |
| 2011 | 9.57755 |
| 2010 | 9.16815 |
| 2009 | 8.99811 |
| 2008 | 9.03318 |
| 2007 | 9.12108 |
| 2006 | 9.20471 |
| 2005 | 9.26148 |
| 2004 | 9.27199 |
| 2003 | 9.19681 |
| 2002 | 9.00394 |
| 2001 | 8.72597 |
| 2000 | 8.46872 |
| 1999 | 8.31974 |
| 1998 | 8.23816 |
| 1997 | 8.15804 |
| 1996 | 8.06722 |
| 1995 | 7.96371 |
| 1994 | 7.87081 |
| 1993 | 7.80787 |
| 1992 | 7.76114 |
| 1991 | 7.7183 |
| 1990 | 7.67859 |
| 1989 | 7.63988 |
| 1988 | 7.60578 |
| 1987 | 7.57592 |
| 1986 | 7.54527 |
| 1985 | 7.50582 |
| 1984 | 7.44311 |
| 1983 | 7.36021 |
| 1982 | 7.27484 |
| 1981 | 7.2032 |
| 1980 | 7.13575 |
| 1979 | 7.04525 |
| 1978 | 6.91066 |
| 1977 | 6.74507 |
| 1976 | 6.56664 |
| 1975 | 6.3894 |
| 1974 | 6.23164 |
| 1973 | 6.08475 |
| 1972 | 5.95688 |
| 1971 | 5.85753 |
| 1970 | 5.7724 |
| 1969 | 5.59584 |
| 1968 | 5.29419 |
| 1967 | 4.97522 |
| 1966 | 4.66826 |
| 1965 | 4.36894 |
| 1964 | 4.07757 |
| 1963 | 3.7895 |
| 1962 | 3.51595 |
| 1961 | 3.27504 |
| 1960 | 3.0661 |