1981

27 September

18 October

15 November

29 November
1982

4 April

3 October

31 October

28 November

On cover:
1983

16 January

27 March
1984

22 January

15 April

22 April

13 May

3 June

8 July

19 August

26 August

14 October
1985

21 April

26 May

On cover:

14 July

11 August

6 October

On cover:
1986

16 May
1987

17 May

29 November

On cover:
1988

27 April
1989

27 August
1991

1 December