62% (1982)

85% (1975)

42% (1985)

72% (1983)

84% (1967)

74% (1991)

61% (1991)

65% (1977)

0% (1987)

83% (1991)

40% (1984)

80% (1972)

53% (1985)

70% (1979)

0% (1982)

30% (1992)

20% (1985)

0% (1958)

45% (1985)

90% (1990)