59% (1953)

59% (1965)

59% (1972)

58% (1972)

65% (1971)

63% (1938)

77% (1967)

63% (1955)

60% (1925)

59% (1951)

64% (1965)

58% (1963)

67% (1933)

49% (1984)

38% (2004)

54% (1942)

61% (1973)

65% (1937)

69% (1970)

65% (1931)