1977-04-10 1973-10-16 1979-02-09 1989-08-20 1973-12-05 1978-10-25 1991-07-26 1985-05-22 1986-03-01 1977-05-30 1985-05-21 1980-07-11 1998-08-22 1977-09-12 1978-08-29 1980-03-12 1985-01-01 1985-06-04 1986-08-08 1987-02-06 1987-07-05 1987-11-20 1989-06-23 1994-07-01