| 年份 | 新加坡  | 
                                                            
|---|---|
| 2023 | - | 
| 2022 | - | 
| 2021 | 0.000180989 | 
| 2020 | 0.000242072 | 
| 2019 | 0.000169266 | 
| 2018 | 0.000188767 | 
| 2017 | 0.000452889 | 
| 2016 | 0.000423734 | 
| 2015 | 0.000382737 | 
| 2014 | 0.000490477 | 
| 2013 | 0.000337556 | 
| 2012 | 0.000395394 | 
| 2011 | 0.000514112 | 
| 2010 | 0.000453216 | 
| 2009 | 0.000577562 | 
| 2008 | 0.000620723 | 
| 2007 | 0.000395166 | 
| 2006 | 0.000323625 | 
| 2005 | 0.000327967 | 
| 2004 | 0.000555645 | 
| 2003 | 0.000593717 | 
| 2002 | 0.000433988 | 
| 2001 | 0.000402379 | 
| 2000 | 0.000326034 | 
| 1999 | 0.000371765 | 
| 1998 | 0.000709947 | 
| 1997 | 0.000727258 | 
| 1996 | 0.000831818 | 
| 1995 | 0.000949988 | 
| 1994 | 0.000735974 | 
| 1993 | 0.000671957 | 
| 1992 | 0.00102103 | 
| 1991 | 0.000727895 | 
| 1990 | 0.000920372 | 
| 1989 | 0.00110914 | 
| 1988 | 0.00135879 | 
| 1987 | 0.0016963 | 
| 1986 | 0.00195844 | 
| 1985 | 0.00116136 | 
| 1984 | 0.00100098 | 
| 1983 | 0.000763831 | 
| 1982 | 0.000835114 | 
| 1981 | 0.00112639 | 
| 1980 | 0.00257927 | 
| 1979 | 0.00160074 | 
| 1978 | 0.00196742 | 
| 1977 | 0.00146223 | 
| 1976 | 0.00323927 | 
| 1975 | 0.00391532 | 
| 1974 | 0.00559343 | 
| 1973 | 0.00750488 | 
| 1972 | 0.0031841 | 
| 1971 | 0.0024553 | 
| 1970 | 0.00408314 | 
| 1969 | - | 
| 1968 | - | 
| 1967 | - | 
| 1966 | - | 
| 1965 | - | 
| 1964 | - | 
| 1963 | - | 
| 1962 | - | 
| 1961 | - | 
| 1960 | - |