11th January 1980
25th January 1980
8th February 1980
25th February 1980
7th March 1980
21st March 1980
11th April 1980
25th April 1980
16th May 1980
30th May 1980
27th June 1980
11th July 1980
25th July 1980
8th August 1980
12th September 1980
26th September 1980
10th October 1980
24th October 1980
7th November 1980
21st November 1980
5th December 1980
19th December 1980