48% (1972)

47% (1967)

48% (1967)

45% (1956)

50% (1965)

52% (1966)

70% (1965)

30% (1970)

45% (1966)

61% (1968)

50% (1967)

28% (1984)

52% (1968)

0% (1958)

35% (1966)

56% (1965)

50% (1968)

40% (1966)

18% (1967)

70% (1973)