63% (1962)

0% (1968)

50% (1977)

0% (1973)

70% (1963)

44% (1979)

0% (1978)

43% (1971)

52% (1980)

0% (1976)

0% (1975)

42% (1970)

30% (1970)

0% (1968)

20% (1992)

38% (1971)

0% (1966)

50% (1973)

0% (1967)

50% (1978)