| 年份 | 新加坡 |
|---|---|
| 2023 | - |
| 2022 | 7.96395 |
| 2021 | 7.93426 |
| 2020 | 7.92389 |
| 2019 | 7.96751 |
| 2018 | 8.0543 |
| 2017 | 8.16376 |
| 2016 | 8.28576 |
| 2015 | 8.39349 |
| 2014 | 8.45433 |
| 2013 | 8.47873 |
| 2012 | 8.47026 |
| 2011 | 8.4086 |
| 2010 | 8.29667 |
| 2009 | 8.16747 |
| 2008 | 8.02418 |
| 2007 | 7.85686 |
| 2006 | 7.68631 |
| 2005 | 7.50573 |
| 2004 | 7.30501 |
| 2003 | 7.09674 |
| 2002 | 6.87793 |
| 2001 | 6.63293 |
| 2000 | 6.34022 |
| 1999 | 5.97257 |
| 1998 | 5.54882 |
| 1997 | 5.13178 |
| 1996 | 4.75346 |
| 1995 | 4.39878 |
| 1994 | 4.10426 |
| 1993 | 3.94175 |
| 1992 | 3.90364 |
| 1991 | 3.92755 |
| 1990 | 3.9996 |
| 1989 | 4.1281 |
| 1988 | 4.23608 |
| 1987 | 4.2518 |
| 1986 | 4.20937 |
| 1985 | 4.14933 |
| 1984 | 4.0825 |
| 1983 | 4.03619 |
| 1982 | 4.01099 |
| 1981 | 3.95933 |
| 1980 | 3.85685 |
| 1979 | 3.73114 |
| 1978 | 3.61317 |
| 1977 | 3.5136 |
| 1976 | 3.45051 |
| 1975 | 3.42778 |
| 1974 | 3.42069 |
| 1973 | 3.4156 |
| 1972 | 3.41535 |
| 1971 | 3.41379 |
| 1970 | 3.40366 |
| 1969 | 3.41712 |
| 1968 | 3.45502 |
| 1967 | 3.48898 |
| 1966 | 3.52011 |
| 1965 | 3.53894 |
| 1964 | 3.5307 |
| 1963 | 3.5003 |
| 1962 | 3.46124 |
| 1961 | 3.4165 |
| 1960 | 3.3577 |