1982-06-11 2006-04-10 2007-08-31 1983-08-10 1986-04-11 1996-07-18 1981-01-21 2011-09-16 2007-05-17 2009-09-12 1985-06-14 1979-10-05 1977-07-22 2009-10-30 2002-01-01 2005-09-18 2005-07-20 1991-12-18 2006-01-01 1995-05-17 2009-10-25 2006-09-05 1996-02-29 2010-01-01 1982-11-12 1991-02-01 1986-02-20 2011-04-29 1997-01-16 2006-01-01 2011-10-16 1998-02-08 1994-08-12 1987-12-10 2013-04-18