Issue #21 Feb 28, 1986 Issue #22 Aug 30, 1986 Issue #23 Jan 30, 1987 Issue #24 Jul 30, 1987 Issue #25 Feb 29, 1988 Issue #26 Sep 30, 1988 Issue #27 Mar 30, 1989 Issue #28 Oct 30, 1989 Issue #29 May 30, 1990 Issue #30 Nov 30, 1990 Issue #31 Sep 30, 1991 Issue #32 May 29, 1992 Issue #33 Apr 28, 1993 Issue #34 Mar 30, 1994 Issue #35 May 30, 1995 Issue #36 Jan 30, 1996 Issue #37 May 30, 1996 Issue #38 Oct 30, 1996 Issue #39 Apr 30, 1997 Issue #40 Dec 19, 1997