70% (1961)

63% (1960)

42% (1979)

67% (1972)

62% (1982)

64% (1954)

68% (1979)

65% (1960)

68% (1955)

56% (1954)

64% (1962)

82% (1959)

59% (1959)

53% (1969)

51% (1983)

80% (1969)

61% (1964)

45% (1967)

58% (1958)

10% (1972)