Version	Total characters	Publish date
GCCS	3,049	1995
HKSCS-1999	4,702	09/1999
HKSCS-2001	4,818	12/2001
HKSCS-2004	4,941	05/2005
HKSCS-2008	5,009	12/2009
HKSCS-2016	5,033	05/2017