47% (1982)

0% (1982)

78% (1987)

70% (1994)

67% (1989)

64% (1994)

83% (1974)

88% (1980)

79% (1978)

70% (1971)

70% (1986)

65% (1987)

78% (1974)

100% (1988)

60% (1981)

0% (1985)

89% (1974)

94% (1984)

0% (1982)

87% (1970)