65% (1986)

80% (1994)

90% (1982)

0% (1974)

80% (1988)

100% (1966)

41% (1977)

74% (1979)

62% (1985)

63% (1990)

0% (1985)

90% (1987)

0% (1981)

0% (1984)

77% (1985)

86% (1979)

80% (1977)

69% (1984)

75% (1989)

15% (1977)