60% (1935)

70% (1936)

52% (1931)

54% (1932)

55% (1937)

80% (1931)

59% (1936)

70% (1935)

60% (1931)

35% (1936)

70% (1934)

64% (1937)

61% (1936)

54% (1933)

0% (1932)

0% (1931)

0% (1932)

40% (1934)

50% (1935)

0% (1931)