0% (1969)

59% (1981)

45% (1978)

53% (1969)

64% (1956)

70% (1962)

50% (1972)

56% (1971)

30% (1972)

70% (1970)

50% (1966)

55% (1982)

52% (1982)

20% (1977)

60% (1973)

58% (1977)

58% (1970)

60% (1970)

65% (1952)

48% (1982)