65% (1929)

49% (1987)

85% (1979)

40% (1977)

68% (1980)

59% (1987)

49% (1955)

65% (1928)

53% (1966)

59% (1974)

62% (1983)

64% (1983)

61% (1990)

64% (1969)

73% (1965)

72% (1983)

59% (1988)

71% (1974)

47% (1977)

58% (1979)