1978-12-27 1983-06-01 2009-11-27 1986-01-01 1977-01-01 1980-01-01 1979-01-01 1983-04-03 1979-04-01 1984-09-06 2013-12-20 2015-09-25 1976-04-01 1982-01-15 1981-12-01 1978-12-01 1981-03-01 1984-05-15 1984-04-09 1978-04-01 1979-04-01 1979-11-05 1990-04-03 1984-04-03 2009-12-18 1984-04-04 1980-04-01 2001-01-02 1979-01-01 1979-01-01 1980-01-01 1980-01-01 1980-01-01 1982-01-01 1982-01-01