0% (1978)

68% (1988)

0% (1986)

70% (1989)

0% (1986)

80% (1987)

70% (1974)

80% (1980)

0% (1974)

60% (1968)

100% (1974)

80% (1982)

0% (1976)

0% (1970)

72% (1979)

40% (1988)

0% (1979)

70% (1977)

0% (1965)

70% (1980)