#2006 by krollo

#2005 by EM

#2003 by EM

#2002 by HilmiJaidin

#2001 by HilmiJaidin

#2000 by HilmiJaidin

#1999 by Polynomial

#1998 by Polynomial

#1996 by puzzler

#1994 by Polynomial

#1993 by GIE365

#1992 by Mr Big

#1990 by theoc

#1988 by alphadelt

#1987 by John

#1986 by krollo

#1985 by Popkwiz

#1984 by Popkwiz

#1983 by Popkwiz

#1982 by Popkwiz