51% (1951)

66% (1940)

65% (1947)

56% (1939)

59% (1934)

56% (1931)

67% (1949)

50% (1937)

58% (1951)

50% (1944)

63% (1942)

63% (1948)

62% (1943)

59% (1931)

64% (1936)

59% (1945)

59% (1948)

53% (1949)

58% (1933)

58% (1933)