Issue 1970/1971
3 February

Issue 1972
17 February

Issue 1973/1974
3/10 March

Issue 1975/1976
17/24/31 March

Issue 1977/1978
7/14 April

Issue 1979
21/28 April

Issue 1980
5 May

Issue 1981
12/19/26 May

Issue 1982
2/9 June

Issue 1983/1984
16/23/30 June

Issue 1985
7/14 July

Issue 1986
21/28 July

Issue 1987
4/11 August

Issue 1988
18/25 August

Issue 1989
1/8 September

Issue 1990/1991
15/22/29 September

Issue 1992/1993
6/13/20 October

Issue 1994/1995
27 October - 3/10 November

Issue 1996/1997
17/24 November

Issue 1998/1999
1/8/15 December

Issue 2000
22/29 December

Annual 2011
December