0% (1962)

50% (1976)

50% (1949)

33% (1979)

50% (1982)

0% (1986)

55% (1973)

38% (1971)

20% (1979)

56% (1965)

80% (1970)

50% (1975)

0% (1984)

40% (1986)

70% (1975)

0% (1986)

43% (1989)

58% (1968)

0% (1975)

68% (1990)