Issue #12 Feb 29, 1996 Issue #13 Jul 30, 1996 Issue #14 Jan 30, 1997 Issue #15 May 30, 1997 Issue #16 Sep 30, 1997 Issue #17 Nov 29, 1997 Issue #18 Mar 30, 1998 Issue #19 Jun 30, 1998 Issue #20 Sep 30, 1998 Issue #21 Feb 26, 1999 Issue #22 Jul 30, 1999 Issue #23 Nov 30, 1999 Issue #24 Mar 30, 2000 Issue #25 Jun 30, 2000 Issue #26 Oct 30, 2000 Issue #27 Mar 30, 2001 Issue #28 Jul 30, 2001 Issue #29 Dec 25, 2001 Issue #30 Mar 30, 2002 Issue #31 Aug 30, 2002