1986:Oct 10-1992:July 24 LACKS:1986:Oct 17, 31, Nov 7, 14, 21, Dec 12, 19; 1987: All; 1988: All Jan-Feb, March 4, 11, 25, April 1, 22, 29, May-Oct 21, Nov 4, 18, 25, all Dec; 1989:Jan-March 24, April 14, 21, 28, May 5, June 16, July 7, Dec 22; 1990:Jan 12, 19, Feb 23, March 2, April 6, 27, May 4, 11, 25, June 1, 22, 29, July 20, 27, Aug 3, 10, 17, 24, Sept 28, Oct 5, 12, 19, Nov 9, 16, Dec 21; 1991: All Jan, Feb 1, 8, March 15, 22, April 5, May 3, 24, 31, June 21, July 12, Aug 2, 9, 16,23, Sept 13, Oct 4, 11, Nov 1, 8, 15, 22, Dec 13, 20; 1992:Jan 10, 31, Feb 21, March 13, 20, 27, April 3, 24, May 1, 8, 15, June 12, 19, 26, July 3, 10