1988-12-24 1990-08-08 1991-07-02 1988-04-14 1989-08-19 1988-03-27 1995-10-20 1990-01-06 1990-11-16 1993-01-01 1997-01-25 1988-09-23 1995-10-26 1992-01-01 1993-01-01 1988-12-15 1988-09-10 1988-02-20 1990-01-19 1991-12-05 1994-08-13 1999-10-28 1998-01-01 1987-12-03