1974-12-20 2003-11-14 1979-10-24 1986-01-01 2009-06-11 1989-08-18 1978-06-04 1978-02-24 1997-01-01 1980-08-30 1980-10-26 2007-04-02 2003-02-16 1972-06-19 1980-01-01 1981-08-31 2002-05-10 2020-10-01 1993-04-01 1984-02-23 1979-04-25 1979-12-14 1997-06-08 1989-10-21 1975-06-01