10% (1965)

70% (1984)

0% (1972)

0% (1988)

0% (1977)

40% (1987)

50% (1986)

64% (1987)

0% (1982)

100% (1973)

85% (1980)

10% (1972)

0% (1984)

0% (1983)

50% (1976)

60% (1979)

0% (1986)

0% (1968)

68% (1984)

0% (1962)