Issue #1 Oct 19, 1990 Issue #2 Jun 20, 1991 Issue #3 Dec 13, 1991 Issue #4 Jun 19, 1992 Issue #5 Jan 21, 1993 Issue #6 Sep 17, 1993 Issue #7 Apr 20, 1994 Issue #8 Dec 14, 1994 Issue #9 Jul 17, 1995 Issue #10 Mar 19, 1996 Issue #11 Nov 20, 1996 Issue #12 May 21, 1997 Issue #13 Mar 19, 1998 Issue #14 Oct 20, 1998 Issue #15 Oct 20, 1999 Issue #16 Mar 21, 2000 Issue #17 Nov 20, 2000 Issue #18 Aug 16, 2001 Issue #19 May 21, 2002 Issue #20 Sep 22, 2003