60% (1977)

0% (1986)

0% (1978)

0% (1962)

50% (1983)

0% (1975)

0% (1976)

0% (1989)

80% (1989)

60% (1976)

40% (1979)

0% (1980)

43% (1984)

0% (1979)

50% (1965)

0% (1990)

45% (1972)

0% (1976)

0% (1983)

68% (1966)