64% (1965)

49% (1970)

62% (1965)

57% (1968)

55% (1986)

60% (1966)

45% (1972)

61% (1968)

50% (1967)

77% (1966)

54% (1966)

53% (1966)

62% (1965)

52% (1968)

48% (1981)

56% (1964)

56% (1966)

58% (1964)

55% (1967)

47% (1967)