59% (1967)

49% (1964)

58% (1965)

40% (1962)

49% (1970)

65% (1964)

60% (1963)

37% (1967)

50% (1969)

35% (1970)

0% (1963)

32% (1964)

68% (1967)

59% (1962)

40% (1968)

50% (1955)

52% (1968)

50% (1963)

42% (1962)

50% (1963)