57% (1969)

70% (1962)

60% (1966)

38% (1982)

52% (1958)

45% (1972)

52% (1956)

53% (1979)

50% (1962)

50% (1957)

48% (1969)

0% (1949)

53% (1979)

50% (1964)

57% (1963)

59% (1981)

50% (1971)

54% (1955)

69% (1961)

60% (1955)