Issue #1 Sep 22, 1989 Issue #2 Aug 23, 1990 Issue #3 Jul 23, 1991 Issue #4 Mar 23, 1992 Issue #5 Jan 23, 1993 Issue #6 Feb 23, 1994 Issue #7 Jan 23, 1995 Issue #8 Nov 20, 1995 Issue #9 May 23, 1996 Issue #10 May 23, 1997 Issue #11 Dec 18, 1997 Issue #12 Sep 22, 1998 Issue #13 Mar 23, 1999 Issue #14 Nov 22, 1999 Issue #15 Jan 21, 2000 Issue #16 Sep 22, 2000 Issue #17 Apr 23, 2001 Issue #18 Mar 22, 2002 Issue #19 Dec 20, 2002 Issue #20 Jun 23, 2003