0% (1985)

78% (1988)

85% (1976)

0% (1969)

0% (1972)

84% (1979)

85% (1983)

0% (1983)

0% (1975)

0% (1968)

70% (1988)

70% (1969)

70% (1982)

0% (1976)

80% (1979)

0% (1979)

88% (1982)

0% (1979)

80% (1973)

0% (1980)