| 年份 | 新加坡 |
|---|---|
| 2023 | - |
| 2022 | 8.04699 |
| 2021 | 7.95353 |
| 2020 | 7.83379 |
| 2019 | 7.72423 |
| 2018 | 7.60042 |
| 2017 | 7.4075 |
| 2016 | 7.12917 |
| 2015 | 6.73131 |
| 2014 | 6.26194 |
| 2013 | 5.8536 |
| 2012 | 5.57956 |
| 2011 | 5.42958 |
| 2010 | 5.24426 |
| 2009 | 4.85828 |
| 2008 | 4.37365 |
| 2007 | 3.96725 |
| 2006 | 3.68714 |
| 2005 | 3.4608 |
| 2004 | 3.24198 |
| 2003 | 3.12616 |
| 2002 | 3.15528 |
| 2001 | 3.27061 |
| 2000 | 3.35736 |
| 1999 | 3.33476 |
| 1998 | 3.25398 |
| 1997 | 3.18004 |
| 1996 | 3.13967 |
| 1995 | 3.0865 |
| 1994 | 2.95473 |
| 1993 | 2.80326 |
| 1992 | 2.70535 |
| 1991 | 2.66642 |
| 1990 | 2.6709 |
| 1989 | 2.68244 |
| 1988 | 2.67502 |
| 1987 | 2.64801 |
| 1986 | 2.60982 |
| 1985 | 2.57708 |
| 1984 | 2.57081 |
| 1983 | 2.59433 |
| 1982 | 2.62729 |
| 1981 | 2.64974 |
| 1980 | 2.63867 |
| 1979 | 2.60763 |
| 1978 | 2.58942 |
| 1977 | 2.58888 |
| 1976 | 2.6034 |
| 1975 | 2.61852 |
| 1974 | 2.6166 |
| 1973 | 2.58884 |
| 1972 | 2.53267 |
| 1971 | 2.44778 |
| 1970 | 2.3426 |
| 1969 | 2.25084 |
| 1968 | 2.1907 |
| 1967 | 2.14029 |
| 1966 | 2.0839 |
| 1965 | 2.01566 |
| 1964 | 1.92316 |
| 1963 | 1.79986 |
| 1962 | 1.65708 |
| 1961 | 1.50998 |
| 1960 | 1.37376 |