1979-04-01 2015-07-17 1995-04-07 1996-05-17 1981-08-22 1994-02-25 1995-01-19 2010-01-01 1996-01-01 1998-10-15 1981-10-01 2013-12-01 1988-04-25 1996-11-08 2017-05-06 1975-01-05 2015-11-27 2013-12-18 2016-07-12 1991-10-01 2009-01-01 2012-03-07 1991-01-24 1993-04-14 2016-05-11 1998-08-21 1973-11-28 2018-09-21 2018-11-16 1993-07-20 1988-10-28 2019-09-20 1999-09-28 1994-01-19 2010-01-01