1991-12-12 2002-06-28 1993-10-21 1989-03-31 2000-10-13 1994-02-18 1993-09-10 2006-07-07 1999-12-21 2000-08-11 1988-03-30 2009-07-07 1990-12-14 1996-11-27 2011-09-16 1989-06-30 1997-11-12 1995-10-06 1990-10-12 2002-08-23 1998-09-07 1994-12-21 2004-09-15 2007-08-03 1986-03-28 2009-05-06 2007-06-15 1996-05-10 2010-12-03 2011-01-13 2008-04-20 2008-11-05 1988-08-18 2006-07-05 2012-09-01