50% (1964)

59% (1962)

49% (1970)

42% (1962)

52% (1968)

58% (1965)

33% (1968)

60% (1960)

59% (1967)

50% (1963)

60% (1963)

0% (1963)

37% (1967)

65% (1964)

0% (1970)

68% (1967)

35% (1970)

32% (1964)

50% (1969)

100% (1966)