59% (1948)

59% (1933)

67% (1940)

47% (1970)

58% (1979)

63% (1970)

58% (1984)

71% (1931)

59% (1944)

58% (1962)

43% (1989)

56% (1959)

61% (1941)

51% (1972)

52% (1937)

56% (1951)

68% (1945)

62% (1965)

52% (1973)

67% (1949)