1975: June 15, 21, 28; July 5, 12, 19, 26; August 2, 9, 16, 23, 30; September 6, 13, 20, 27; October 4, 11, 18, 25; November 1, 8, 15, 22, 29; December 6, 13, 27. 

1976: January 3, 10, 17, 24, 31; February 7, 14, 28; March 6, 20, 27; April 3, 17, 24; May 1, 8, 15, 22, 29; June 12, 19; July 3, 17, 24, 31; August 7, 14, 21, 28; September 4, 11, 18, 25; October 2, 9, 16, 23, 30; November 6, 13, 20, 27; December 4, 11, 18, 25. 

1977: January 1; February 5, 26; March 5, 12, 19.