Issue #11 Dec 21, 1978 Issue #12 Jun 30, 1979 Issue #13 Jul 28, 1979 Issue #14 Mar 29, 1980 Issue #15 Apr 25, 1980 Issue #16 Oct 29, 1980 Issue #17 Mar 28, 1981 Issue #18 Apr 28, 1981 Issue #19 Jan 28, 1982 Issue #20 Feb 26, 1982 Issue #21 Sep 28, 1982 Issue #22 Oct 28, 1982 Issue #23 Sep 30, 1983 Issue #24 Oct 29, 1983 Issue #25 Nov 30, 1983 Issue #26 Aug 30, 1984 Issue #27 Sep 29, 1984 Issue #28 Feb 28, 1985 Issue #29 Jun 29, 1985 Issue #30 Jan 30, 1986