1999-04-01 1977-09-21 2010-03-01 1974-02-01 1975-03-01 2000-01-01 1971-06-13 2007-11-15 1996-11-06 2015-12-06 1978-03-10 1979-08-15 2003-12-14 2002-12-08 2002-12-06 2015-01-31 1996-02-17 2006-03-01 2008-08-22 1984-12-01 2004-07-20 2016-03-15 1977-06-05 2015-02-21 1973-01-08 1980-05-14 1977-09-30 2020-11-13 2017-04-01 2021-01-15 2008-09-13 2021-05-03 1999-02-01 1990-09-24