Which film won the Academy Award for Best Picture for 1983?

Which film won the Academy Award for Best Picture for 1974? Which film won the Academy Award for Best Picture for 1979? Which film won the Academy Award for Best Picture for 1980? Which film won the Academy Award for Best Picture for 1981? Which film won the Academy Award for Best Picture for 1985? Which film won the Academy Award for Best Picture for 1986? Which film won the Academy Award for Best Picture for 1987? Which film won the Academy Award for Best Picture for 1989?