53% (1968)

50% (1954)

53% (1965)

55% (1970)

64% (1981)

57% (1950)

52% (1955)

80% (1961)

58% (1966)

50% (1952)

42% (1984)

49% (1968)

61% (1954)

50% (1951)

53% (1956)

82% (1952)

50% (1956)

45% (1983)

55% (1940)

61% (1949)