Total Members (1930):
628,484
Total Members (1931):
681,463
Total Members (1932):
680,372
Total Members (1933):
707,598
Total Members (1934):
774,594
Total Members (1935):
795,902
Total Members (1936):
846,073
Total Members (1937):
874,597
Total Members (1938):
957,112
Total Members (1939):
1,042,426
