Issue #4 Jul 30, 1986 Issue #5 Dec 17, 1986 Issue #6 Apr 30, 1987 Issue #7 Nov 30, 1987 Issue #8 Apr 27, 1988 Issue #9 Aug 30, 1988 Issue #10 Dec 19, 1988 Issue #11 Apr 28, 1989 Issue #12 Aug 30, 1989 Issue #13 Jan 30, 1990 Issue #14 Jun 30, 1990 Issue #15 Nov 30, 1990 Issue #16 Apr 27, 1991 Issue #17 Sep 30, 1991 Issue #18 Dec 17, 1991 Issue #19 May 29, 1992 Issue #20 Aug 29, 1992 Issue #21 Nov 30, 1992 Issue #22 Apr 28, 1993 Issue #23 Oct 29, 1993