1965-08-01 1962-04-13 1972-03-20 1968-10-01 1984-01-01 1987-01-01 1959-02-02 1990-05-25 1990-11-08 1991-06-22 1980-05-28 1966-10-31 1972-04-17 1987-08-19 1963-12-31 1984-04-24 1982-12-17 1973-03-26 1970-03-23 1979-07-01 1982-01-01 1985-03-01 1991-04-08 1981-09-01 1989-01-01 1989-01-01 1972-11-17 1988-01-14 1990-05-01 1990-05-01 1978-10-01