66% (1954)

70% (1966)

65% (1968)

83% (1967)

70% (1952)

59% (1977)

47% (1967)

71% (1952)

67% (1971)

80% (1965)

65% (1961)

66% (1969)

58% (1966)

58% (1952)

50% (1959)

52% (1971)

70% (1962)

59% (1958)

54% (1966)

69% (1966)