1981-12-22 1976-03-11 1980-11-10 1976-12-29 2007-01-01 2013-09-23 1977-08-23 1976-09-14 1979-02-15 1985-08-26 1979-08-27 1979-03-11 1988-09-23 2012-04-20 1976-10-10 2017-06-29 1982-01-01 1980-12-11 2011-11-10 2010-04-01 2021-12-14 1996-11-11 2008-03-06 1985-11-26 1961-10-06 1998-01-14