21st January 1975   4th February 1975   25th February 1975  
             
       
  11th March 1975   25th March 1975   8th April 1975  
             
       
  22nd April 1975   6th May 1975   20th May 1975  
             
       
  3rd June 1975   17th June 1975   1st July 1975  
             
       
  15th July 1975   29th July 1975   12th August 1975  
             
       
  26th August 1975   9th September 1975   21st October 1975  
             
       
  4th November 1975   18th November 1975   2nd December 1975  
             
           
  16th December 1975