| 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 | |
| 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 | |