1979-09-20 1968-05-01 1971-03-01 1977-04-07 1969-04-30 1984-09-07 1990-10-04 1968-12-26 1968-07-11 1978-02-10 1975-12-04 1969-11-20 1971-07-29 1978-07-21 1991-09-18 1978-03-02 1969-08-07 1969-12-11 1968-02-29 1970-09-03 1980-12-15 1982-10-07 1968-07-18 1979-08-16 1979-10-21 1971-11-25 1991-01-01 1968-08-29 1989-02-16 1978-02-16 1977-11-24 1983-06-20 1989-01-01 1988-10-27 1985-01-01