51% (1942)

61% (1943)

59% (1937)

62% (1951)

63% (1955)

50% (1957)

56% (1939)

48% (1938)

45% (1970)

48% (1931)

60% (1935)

60% (1930)

68% (1938)

59% (1945)

63% (1968)

40% (1964)

59% (1948)

60% (1941)

40% (1933)

52% (1935)