1976-07-06 1977-08-01 1987-05-01 1976-04-01 1976-06-01 1968-05-01 1974-10-01 1973-03-01 1973-10-01 1975-02-01 1975-01-01 1972-01-28 1976-04-16 1977-05-15 1977-09-08 1973-02-21 1979-05-22 1987-01-01 1992-06-17 1979-01-05 1986-06-13 1975-05-01 1989-12-31 1971-07-23 1976-02-01 1981-09-09 1967-11-01 1972-10-01 1973-06-13 1979-05-11 1971-01-01 1971-06-01 1972-03-01 1976-04-12 1974-04-19