December 16 to December 31, 1990 (16 days)
October 27 to December 15, 1990 (50 days)
May 22, 1989 to October 26, 1990 (523 days)
May 07 to May 21, 1989 (15 days)
February 20 to May 06, 1989 (76 days)
May 13, 1988 to February 19, 1989 (283 days)
November 26, 1987 to April 14, 1988 (141 days)
July 11 to November 25, 1987 (138 days)
August 17, 1986 to July 10, 1987 (328 days)
November 28, 1985 to May 28, 1986 (182 days)
July 21 to November 27, 1985 (130 days)
March 23 to July 20, 1985 (120 days)
October 07, 1984 to March 22, 1985 (167 days)
June 24 to July 20, 1984 (27 days)
April 21 to June 23, 1984 (64 days)
December 14, 1983 to April 20, 1984 (129 days)
May 01 to December 13, 1983 (227 days)
April 16 to April 30, 1983 (15 days)
November 04, 1982 to April 15, 1983 (163 days)
August 22 to November 03, 1982 (74 days)
June 07 to August 21, 1982 (76 days)
May 21 to June 06, 1982 (17 days)
October 04, 1981 to May 20, 1982 (229 days)
August 08 to September 22, 1981 (46 days)
January 27 to August 07, 1981 (193 days)
November 24, 1980 to January 26, 1981 (64 days)
July 26 to November 23, 1980 (121 days)
April 20 to July 25, 1980 (97 days)
September 01, 1979 to April 19, 1980 (232 days)
April 01 to August 11, 1979 (133 days)
December 17, 1978 to March 31, 1979 (105 days)
April 09 to December 16, 1978 (252 days)
March 19 to April 08, 1978 (21 days)
January 01 to March 18, 1978 (77 days)
October 21 to December 31, 1977 (72 days)
July 29 to October 20, 1977 (84 days)
July 07 to July 28, 1977 (22 days)
December 15, 1976 to July 06, 1977 (204 days)
December 09 to December 14, 1976 (6 days)
November 28 to December 08, 1976 (11 days)
October 16 to November 27, 1976 (43 days)
March 13 to October 15, 1976 (217 days)
November 27, 1975 to March 12, 1976 (107 days)
November 09 to November 26, 1975 (18 days)
July 03 to October 03, 1975 (93 days)
January 01 to July 02, 1975 (183 days)
