0% (1971)

65% (1986)

50% (1960)

56% (1978)

69% (1962)

60% (1987)

47% (1971)

0% (1968)

72% (1971)

56% (1979)

48% (1976)

74% (1976)

40% (1979)

0% (1986)

72% (1984)

49% (1986)

0% (1974)

0% (1959)

43% (1987)

0% (1986)