1990-05-23 1991-07-18 1990-10-20 1989-03-24 1993-04-30 1992-02-20 1991-03-28 1991-08-21 1990-12-22 1990-12-28 1990-05-24 1988-04-28 1984-06-28 1991-11-30 1990-03-28 1983-07-07 1988-06-24 1992-05-01 1991-08-08 1989-06-08 1984-07-21 1984-08-04 1986-06-20 1989-09-01