Issue #6 Jan 30, 1989 Issue #7 May 30, 1989 Issue #8 Sep 30, 1989 Issue #9 Feb 28, 1990 Issue #10 Jul 30, 1990 Issue #11 Dec 19, 1990 Issue #12 May 30, 1991 Issue #13 Oct 30, 1991 Issue #14 Feb 29, 1992 Issue #15 Jun 30, 1992 Issue #16 Dec 19, 1992 Issue #17 Jun 30, 1993 Issue #18 Dec 20, 1993 Issue #19 Jun 30, 1994 Issue #20 Feb 28, 1995 Issue #21 Jul 29, 1995 Issue #22 Jan 30, 1996 Issue #23 Aug 30, 1996 Issue #24 Jan 30, 1997 Issue #25 May 30, 1997