1977-06-13 1981-10-06 1983-08-08 1994-01-01 1981-12-30 1986-02-17 1986-10-13 1984-10-29 1982-11-28 1970-01-01 1968-10-31 1965-12-01 1987-01-01 1991-06-01 1967-01-01 1983-12-01 1986-09-26 1982-08-01 1979-01-01 1968-03-01 1981-12-28 1973-03-28 1985-10-10 1981-01-01 1987-12-01 1989-01-01