51% (1939)

55% (1931)

57% (1947)

59% (1950)

42% (1932)

50% (1957)

53% (1931)

59% (1939)

49% (1994)

45% (1971)

63% (1943)

67% (1927)

46% (1988)

50% (1934)

62% (1929)

0% (1929)

68% (1930)

33% (1982)

58% (1934)

61% (1965)