47% (1982)

78% (1987)

70% (1994)

79% (1978)

66% (1989)

64% (1994)

83% (1974)

65% (1987)

0% (1982)

88% (1980)

70% (1986)

100% (1988)

70% (1971)

94% (1984)

78% (1974)

87% (1970)

60% (1981)

0% (1982)

83% (1973)

0% (1970)