78% (1987)

64% (1994)

66% (1989)

0% (1982)

100% (1988)

0% (1966)

0% (1967)

85% (1971)

88% (1980)

74% (1987)

83% (1974)

55% (2001)

47% (1982)

70% (1994)

100% (1977)

94% (1980)

70% (1971)

88% (1986)

90% (1974)

0% (1983)