1978-12-17 1980-04-01 1983-08-01 1980-04-05 1975-11-06 1983-05-03 2007-01-01 1992-08-23 2008-03-15 1980-09-22 1979-08-28 1982-07-11 1991-06-06 1980-11-15 1983-11-15 1978-06-05 1976-01-01 1990-06-28 2011-08-21 2012-01-13 1979-01-01 1978-10-29 1988-04-11 2017-04-07 1987-03-01 2015-09-08 1992-08-23 1981-09-01 1988-11-01 2010-01-01