10% (1965)

100% (1973)

0% (1984)

85% (1980)

70% (1969)

0% (1988)

0% (1971)

70% (1984)

0% (1982)

0% (1986)

50% (1986)

70% (1971)

64% (1987)

90% (1988)

50% (1978)

0% (1962)

0% (1975)

0% (1969)

60% (1979)

0% (1966)