Issue #18 Dec 19, 1997 Issue #19 Feb 26, 1998 Issue #20 Jul 30, 1998 Issue #21 Nov 30, 1998 Issue #22 May 29, 1999 Issue #23 Sep 30, 1999 Issue #24 Mar 30, 2000 Issue #25 Jun 30, 2000 Issue #26 Nov 30, 2000 Issue #27 Apr 26, 2001 Issue #28 Sep 29, 2001 Issue #29 Jan 30, 2002 Issue #30 Apr 26, 2002 Issue #31 Jul 30, 2002 Issue #32 Feb 28, 2003 Issue #33 Jun 30, 2003 Issue #34 Sep 30, 2003 Issue #35 Feb 28, 2004 Issue #36 Sep 30, 2004 Issue #37 Feb 28, 2005