Singapore last played host in 1988 ....

the ranking of Singapore since 1988 as below :

1988 -- 8
1990 -- 7
1992 -- 8
1994 -- 9
1996 -- 7
1998 -- 8
2000 -- 8
2002 -- 5 (jointly with Thailand)
2004 -- 12
2006 -- 7

Since we are playing host this time in 2008, may be 8 is a good number for us. :)