45% (1971)

50% (1970)

59% (1973)

0% (1959)

65% (1967)

58% (1971)

58% (1972)

50% (1985)

50% (1972)

0% (1969)

60% (1979)

63% (1961)

51% (1969)

80% (1962)

60% (1971)

0% (1956)

65% (1976)

50% (1987)

0% (1978)

0% (1985)