53% (1979)

52% (1937)

50% (1961)

52% (1955)

66% (1990)

60% (1989)

75% (1976)

61% (1980)

50% (1984)

59% (1967)

0% (1978)

0% (1959)

54% (1973)

59% (1978)

57% (1987)

56% (1990)

48% (1956)

57% (1990)

38% (1945)

40% (1962)