1972

29 September
1973

20 July

On cover:

19 October

On cover:

26 October

On cover:

28 December

On cover:
1974

4 January

22 February
1975

23 May

On cover:

11 July

On cover:

15 August

26 September

On cover:

24 October

On cover:

21 November

On cover:
1976

12 March
1978

5 January

On cover:

February

4 May

25 May

15 June

31 July

30 December

On cover:
1979

8 March

1 April

5 April

17 April

7 June

On cover:

17 August

On cover:
1980

29 April
1981

21 May

On cover:

28 May