52% (1928)

53% (1931)

58% (1927)

56% (1932)

55% (1931)

56% (1928)

60% (1929)

66% (1929)

60% (1930)

70% (1930)

51% (1930)

0% (1930)

47% (1932)

63% (1929)

45% (1929)

60% (1936)

56% (1931)

61% (1934)

0% (1931)

64% (1929)