| 年份 | 新加坡 |
|---|---|
| 2023 | - |
| 2022 | 16.209 |
| 2021 | 16.2331 |
| 2020 | 16.2688 |
| 2019 | 16.1484 |
| 2018 | 15.9511 |
| 2017 | 15.8969 |
| 2016 | 15.9547 |
| 2015 | 16.2234 |
| 2014 | 16.749 |
| 2013 | 17.2805 |
| 2012 | 17.6118 |
| 2011 | 17.766 |
| 2010 | 18.143 |
| 2009 | 19.1225 |
| 2008 | 20.3601 |
| 2007 | 21.432 |
| 2006 | 22.2769 |
| 2005 | 23.066 |
| 2004 | 23.9949 |
| 2003 | 24.8124 |
| 2002 | 25.2664 |
| 2001 | 25.3705 |
| 2000 | 25.5792 |
| 1999 | 26.3518 |
| 1998 | 27.2588 |
| 1997 | 27.8244 |
| 1996 | 28.0434 |
| 1995 | 28.16 |
| 1994 | 28.5025 |
| 1993 | 28.9601 |
| 1992 | 29.2914 |
| 1991 | 29.4286 |
| 1990 | 29.6284 |
| 1989 | 30.2648 |
| 1988 | 31.1901 |
| 1987 | 32.159 |
| 1986 | 33.1669 |
| 1985 | 34.1513 |
| 1984 | 34.9902 |
| 1983 | 35.7945 |
| 1982 | 36.7949 |
| 1981 | 38.0985 |
| 1980 | 39.789 |
| 1979 | 41.8431 |
| 1978 | 44.1368 |
| 1977 | 46.6363 |
| 1976 | 49.2427 |
| 1975 | 52.1386 |
| 1974 | 55.2947 |
| 1973 | 58.3681 |
| 1972 | 61.4443 |
| 1971 | 64.6887 |
| 1970 | 68.0789 |
| 1969 | 71.8091 |
| 1968 | 75.6329 |
| 1967 | 78.9587 |
| 1966 | 81.881 |
| 1965 | 84.3141 |
| 1964 | 86.0735 |
| 1963 | 87.1643 |
| 1962 | 87.5427 |
| 1961 | 87.0319 |
| 1960 | 85.3003 |