August 16, 1997 to October 31, 1998 (442 days)
December 21, 1996 to July 04, 1997 (196 days)
December 16, 1995 to December 20, 1996 (371 days)
July 03, 1993 to December 15, 1995 (896 days)
December 19, 1992 to July 02, 1993 (196 days)
July 06, 1991 to December 18, 1992 (532 days)
December 22, 1990 to July 05, 1991 (196 days)
December 20, 1989 to June 29, 1990 (192 days)
August 21 to December 19, 1989 (121 days)
July 11, 1987 to August 20, 1989 (772 days)
March 22 to July 10, 1987 (111 days)
July 15, 1978 to March 21, 1987 (3172 days)
September 01, 1977 to July 14, 1978 (317 days)
August 02 to August 31, 1977 (30 days)
