55% (1974)

0% (1956)

0% (1978)

37% (1973)

0% (1986)

0% (1989)

57% (1976)

0% (1977)

65% (1972)

67% (1967)

70% (1982)

35% (1987)

60% (1967)

38% (1976)

30% (1975)

80% (1985)

53% (1946)

56% (1978)

55% (1972)

50% (1965)