53% (1972)

71% (1967)

49% (1971)

55% (1987)

78% (1977)

52% (1977)

50% (1969)

63% (1969)

0% (1972)

43% (1986)

57% (1970)

30% (1980)

55% (1968)

60% (1964)

58% (1977)

45% (1969)

0% (1971)

62% (1962)

66% (1984)

0% (1963)