1976-04-01 1974-07-25 1973-04-26 1977-10-26 1970-01-09 1974-09-19 1970-05-28 1972-02-11 1975-02-08 1972-12-16 1980-02-28 1974-01-17 1971-03-05 1973-08-25 1974-08-03 1982-11-20 1982-04-06 1981-12-31 1980-03-01 1977-10-29 1977-01-01 1976-09-11 1961-04-25 1977-05-07 1974-09-20 1977-01-01 1975-01-01 1968-10-07 1975-08-21 1973-01-12 1964-02-12 1974-11-28 1977-04-28 1978-02-02 1976-06-02