58% (2000)

62% (1954)

67% (1964)

39% (1986)

55% (1965)

59% (1965)

68% (1949)

67% (1935)

56% (1946)

70% (1931)

49% (1984)

72% (1940)

65% (2001)

62% (2004)

58% (1946)

47% (1987)

71% (1957)

58% (1971)

71% (1949)

63% (1938)