60% (1971)

48% (1967)

53% (1971)

60% (1970)

40% (1966)

55% (1973)

65% (1969)

50% (1957)

58% (1970)

50% (1969)

61% (1972)

0% (1972)

48% (1963)

33% (1982)

40% (1970)

50% (1970)

52% (1968)

0% (1971)

40% (1969)

30% (1957)