1988-08-18 1985-06-28 1983-07-14 2006-09-27 1989-11-11 1985-10-31 1983-08-05 1986-06-26 1981-04-07 1987-05-21 1983-04-01 1981-07-09 1980-12-19 1981-10-15 1980-08-15 1983-08-26 1999-08-28 1984-06-22 1985-10-31 1985-11-01 2018-04-10 2006-07-09 1998-01-01 2011-04-04 1989-01-01 2002-01-01 2001-01-01 1987-01-01 1987-02-01 1995-01-01 1992-01-01 1994-01-01 2001-01-01 1998-01-01 2000-01-01