56% (1984)

65% (1933)

58% (1979)

61% (1964)

60% (1972)

67% (1934)

61% (1967)

64% (1943)

61% (1981)

63% (1971)

55% (1936)

68% (1936)

62% (2004)

58% (1984)

55% (1953)

60% (1966)

71% (1949)

73% (1926)

78% (1970)

52% (1985)