57% (1929)

66% (2002)

63% (1933)

54% (1970)

57% (1982)

56% (1959)

61% (1964)

56% (1977)

65% (1947)

54% (1989)

67% (1956)

72% (1926)

48% (1984)

57% (1976)

66% (1945)

62% (1947)

61% (1969)

72% (1966)

59% (1956)

67% (1995)