50% (1978)

58% (1963)

50% (1969)

57% (1947)

0% (1995)

67% (1967)

50% (1966)

53% (1963)

72% (1955)

59% (1962)

20% (1978)

65% (1960)

50% (1984)

60% (1979)

50% (1970)

69% (1963)

43% (1989)

50% (1983)

53% (1971)

53% (1981)