1976-04-15 1974-01-01 1977-03-18 1980-08-14 1978-12-07 1981-01-01 1979-03-01 1987-03-13 1982-01-22 1977-09-02 1976-01-01 1980-08-14 1979-06-06 1980-08-10 1987-12-23 1978-09-21 1981-12-01 1982-03-04 1977-05-19 1977-11-15 1981-10-14 1982-01-01 1975-09-20 1985-01-01 1976-10-29 1977-03-04 1986-08-14 1980-05-13