1959-10-21 1957-02-10 1974-10-18 1957-09-01 1955-03-01 1957-06-01 1958-09-01 1991-06-12 1958-08-01 1961-09-19 1980-06-13 1989-08-15 1963-12-18 1972-01-29 1959-02-01 1979-05-08 1970-02-03 1971-10-31 1973-09-29 1980-10-31 1959-10-16 1960-05-08 1977-10-03 1978-01-09 1973-11-03 1998-01-17 1976-06-18 1957-06-01 1978-03-20 1976-01-01 1987-04-06 1961-12-18 1978-05-14 1996-05-01 1956-04-01