Issue 1 July 1982	Issue 9 September 1984	Issue 17 September 1986	Issue 19 March 1987	Issue 22 December 1987	Issue 24 June 1988
Issue 33 September 1990	Issue 34 December 1990	Issue 35 March 1991	Issue 36 June 1991	Issue 37 September 1991	Issue 38 December 1991
Issue 39 March 1992	Issue 44 June 1993	Issue 46 December 1993	Issue 51 March 1995	Issue 52 June 1995	Issue 53 September 1995
Issue 55 March 1996	Issue 58 December 1996	Issue 60 June 1997