78% (1987)

0% (1982)

89% (1974)

100% (1988)

70% (1986)

88% (1980)

90% (1984)

84% (1973)

100% (1982)

78% (1974)

65% (1987)

94% (1980)

0% (1982)

88% (1986)

0% (1985)

0% (1992)

0% (1980)

87% (1970)

0% (1973)

0% (1970)