66% (1931)

65% (1933)

70% (1929)

65% (1937)

58% (1923)

59% (1924)

53% (1925)

46% (1939)

51% (1926)

58% (1925)

50% (1926)

68% (1933)

65% (1933)

68% (1930)

60% (1930)

63% (1927)

48% (1937)

68% (1935)

61% (1923)

54% (1923)