59% (1927)

57% (1928)

52% (1928)

54% (1931)

61% (1929)

75% (1934)

55% (1932)

65% (1929)

64% (1929)

56% (1931)

60% (1930)

47% (1930)

69% (1933)

60% (1929)

70% (1935)

63% (1929)

68% (1929)

56% (1931)

50% (1929)

51% (1930)