63% (1962)

43% (1969)

38% (1971)

42% (1970)

44% (1979)

50% (1973)

52% (1980)

70% (1963)

0% (1967)

43% (1971)

0% (1976)

38% (1969)

30% (1970)

0% (1968)

0% (1970)

0% (1978)

60% (1969)

20% (1992)

50% (1978)

50% (1977)