1987-05-15 1984-08-31 1993-09-01 1980-09-25 1989-05-16 1978-12-01 1984-12-13 1978-06-20 1992-01-01 1997-10-21 1993-02-01 1981-05-01 1981-07-09 1976-12-16 1983-07-01 1987-10-02 1987-09-10 2007-09-14 1988-12-01 1990-09-25 1990-09-26 1981-11-05 1988-12-16 1986-05-07 1996-11-11 1985-10-30 1988-06-09 1989-06-18 2005-10-06 1986-03-13 1987-06-01 1995-01-12 1993-11-12 1999-01-01