10% (1965)

70% (1984)

0% (1988)

0% (1962)

77% (1979)

80% (1968)

0% (1975)

80% (1974)

100% (1973)

78% (1987)

85% (1980)

70% (1971)

0% (1967)

0% (1969)

0% (1984)

20% (1987)

50% (1987)

0% (1986)

50% (1986)

0% (1968)