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 Issue #24 Mar 30, 1994 Issue #25 Dec 19, 1994 Issue #26 Mar 30, 1995 Issue #27 Jun 30, 1995 Issue #28 Nov 30, 1995 Issue #29 Apr 27, 1996 Issue #30 Feb 28, 1997 Issue #31 Apr 30, 1997 Issue #32 Aug 30, 1997 Issue #33 Dec 19, 1997 Issue #34 May 30, 1998 Issue #35 Jun 30, 1998