65% (1962)

0% (1987)

64% (1988)

57% (1970)

0% (1979)

56% (1960)

65% (1967)

62% (1994)

64% (1966)

0% (1974)

52% (1977)

53% (1988)

59% (1987)

50% (1952)

30% (1987)

57% (1966)

65% (1991)

0% (1985)

58% (1984)

74% (1989)