9th January 1981
23rd January 1981
6th February 1981
20th February 1981
6th March 1981
20th March 1981
3rd April 1981
16th April 1981
8th May 1981
22nd May 1981
5th June 1981
12th June 1981
26th June 1981
10th July 1981
24th July 1981
14th August 1981
28th August 1981
11th September 1981
25th September 1981
9th October 1981
23rd October 1981
6th November 1981
20th November 1981
4th December 1981
11th December 1981
18th December 1981