Month Per Cent Of Total Members 1906-06-01 1.20000 1906-07-01 0.800000 1906-08-01 0.700000 1906-09-01 1.00000 1906-10-01 1.10000 1906-11-01 1.10000 1906-12-01 1.60000 1907-01-01 1.70000 1907-02-01 1.60000 1907-03-01 1.30000 1907-04-01 1.30000 1907-05-01 1.40000 1907-06-01 1.40000 1907-07-01 1.40000 1907-08-01 1.40000 1907-09-01 1.40000 1907-10-01 1.60000 1907-11-01 1.70000 1907-12-01 2.70000 1908-01-01 2.90000 1908-02-01 2.70000 1908-03-01 2.50000 1908-04-01 2.80000 1908-05-01 2.80000 1908-06-01 2.90000 1908-07-01 2.70000 1908-08-01 2.70000 1908-09-01 2.70000 1908-10-01 2.90000 1908-11-01 3.20000 1908-12-01 4.40000 1909-01-01 4.20000 1909-02-01 4.10000 1909-03-01 3.50000 1909-04-01 2.90000 1909-05-01 2.80000 1909-06-01 2.80000 1909-07-01 2.50000 1909-08-01 2.30000 1909-09-01 2.10000 1909-10-01 2.00000 1909-11-01 2.00000 1909-12-01 2.60000 1910-01-01 2.60000 1910-02-01 2.20000 1910-03-01 1.70000 1910-04-01 1.80000 1910-05-01 2.00000 1910-06-01 2.00000 1910-07-01 1.90000 1910-08-01 1.70000 1910-09-01 1.80000 1910-10-01 1.60000 1910-11-01 1.60000 1910-12-01 2.10000 1911-01-01 2.60000 1911-02-01 2.20000 1911-03-01 1.90000 1911-04-01 1.80000 1911-05-01 1.60000 1911-06-01 1.60000 1911-07-01 1.60000 1911-08-01 1.80000 1911-09-01 1.70000 1911-10-01 1.50000 1911-11-01 1.70000 1911-12-01 2.40000 1912-01-01 2.90000 1912-02-01 2.60000 1912-03-01 1.60000 1912-04-01 1.70000 1912-05-01 1.90000 1912-06-01 1.70000 1912-07-01 1.80000 1912-08-01 1.70000 1912-09-01 1.50000 1912-10-01 1.70000 1912-11-01 1.80000 1912-12-01 2.80000 1913-01-01 3.20000 1913-02-01 2.90000 1913-03-01 2.30000 1913-04-01 2.30000 1913-05-01 2.50000 1913-06-01 2.70000 1913-07-01 2.90000 1913-08-01 2.80000 1913-09-01 2.70000 1913-10-01 2.80000 1913-11-01 3.10000 1913-12-01 4.80000 1914-01-01 4.70000 1914-02-01 3.70000 1914-03-01 2.80000 1914-04-01 2.80000 1914-05-01 2.80000 1914-06-01 2.50000 1914-07-01 2.90000 1914-08-01 22.4000 1914-09-01 15.7000 1914-10-01 10.9000 1914-11-01 8.20000 1914-12-01 7.20000 1915-01-01 6.50000 1915-02-01 5.10000 1915-03-01 3.30000 1915-04-01 2.90000 1915-05-01 2.90000 1915-06-01 2.50000 1915-07-01 2.70000 1915-08-01 2.60000 1915-09-01 2.60000 1915-10-01 2.50000 1915-11-01 2.50000 1915-12-01 2.60000 1916-01-01 2.60000 1916-02-01 2.80000 1916-03-01 2.20000 1916-04-01 2.30000 1916-05-01 2.50000 1916-06-01 2.50000 1916-07-01 2.40000 1916-08-01 2.20000 1916-09-01 2.10000 1916-10-01 2.00000 1916-11-01 1.70000 1916-12-01 1.60000 1917-01-01 1.70000 1917-02-01 1.60000 1917-03-01 1.30000 1917-04-01 1.00000 1917-05-01 1.00000 1917-06-01 0.900000 1917-07-01 0.800000 1917-08-01 0.800000 1917-09-01 0.800000 1917-10-01 0.700000 1917-11-01 0.700000 1917-12-01 0.900000 1918-01-01 0.900000 1918-02-01 0.800000 1918-03-01 0.900000 1918-04-01 0.800000 1918-05-01 0.800000 1918-06-01 0.800000 1918-07-01 0.700000 1918-08-01 0.700000 1918-09-01 0.800000 1918-10-01 0.700000 1918-11-01 1.80000 1918-12-01 5.10000 1919-01-01 6.60000 1919-02-01 6.00000 1919-03-01 3.90000 1919-04-01 5.20000 1919-05-01 3.80000 1919-06-01 2.50000 1919-07-01 3.10000 1919-08-01 3.10000 1919-09-01 2.20000 1919-10-01 2.60000 1919-11-01 2.90000 1919-12-01 2.90000 1920-01-01 3.40000 1920-02-01 2.90000 1920-03-01 1.90000 1920-04-01 1.90000 1920-05-01 2.70000 1920-06-01 4.00000 1920-07-01 6.00000 1920-08-01 5.90000 1920-09-01 4.50000 1920-10-01 4.20000 1920-11-01 3.90000 1920-12-01 4.10000 1921-01-01 4.50000 1921-02-01 4.70000 1921-03-01 3.70000 1921-04-01 3.90000 1921-05-01 3.70000 1921-06-01 3.00000 1921-07-01 2.60000 1921-08-01 2.20000 1921-09-01 1.40000 1921-10-01 1.20000 1921-11-01 1.40000 1921-12-01 1.60000 1922-01-01 3.30000 1922-02-01 2.70000 1922-03-01 1.10000 1922-04-01 0.900000 1922-05-01 0.700000 1922-06-01 0.600000 1922-07-01 0.600000 1922-08-01 0.700000 1922-09-01 0.800000 1922-10-01 1.40000 1922-11-01 2.00000 1922-12-01 2.80000 1923-01-01 4.20000 1923-02-01 5.20000 1923-03-01 5.60000 1923-04-01 7.00000 1923-05-01 6.20000 1923-06-01 4.10000 1923-07-01 3.50000 1923-08-01 6.30000 1923-09-01 9.90000 1923-10-01 19.1000 1923-11-01 33.4000 1923-12-01 28.2000 1924-01-01 26.5000 1924-02-01 25.1000 1924-03-01 16.6000 1924-04-01 10.4000 1924-05-01 8.60000 1924-06-01 10.5000 1924-07-01 12.5000 1924-08-01 12.4000 1924-09-01 10.5000 1924-10-01 8.40000 1924-11-01 7.30000 1924-12-01 8.10000 1925-01-01 8.10000 1925-02-01 7.30000 1925-03-01 5.80000 1925-04-01 4.30000 1925-05-01 3.60000 1925-06-01 3.50000 1925-07-01 3.70000 1925-08-01 4.30000 1925-09-01 4.50000 1925-10-01 5.80000 1925-11-01 10.7000 1925-12-01 19.4000 1926-01-01 22.6000 1926-02-01 22.0000 1926-03-01 21.4000 1926-04-01 18.6000 1926-05-01 18.1000 1926-06-01 18.1000 1926-07-01 17.7000 1926-08-01 16.7000 1926-09-01 15.2000 1926-10-01 14.2000 1926-11-01 14.2000 1926-12-01 16.7000 1927-01-01 16.5000 1927-02-01 15.5000 1927-03-01 11.5000 1927-04-01 8.90000 1927-05-01 7.00000 1927-06-01 6.30000 1927-07-01 5.50000 1927-08-01 5.00000 1927-09-01 4.60000 1927-10-01 4.50000 1927-11-01 7.40000 1927-12-01 12.9000 1928-01-01 11.2000 1928-02-01 10.4000 1928-03-01 9.20000 1928-04-01 6.90000 1928-05-01 6.30000 1928-06-01 6.20000 1928-07-01 6.30000 1928-08-01 6.50000 1928-09-01 6.60000 1928-10-01 7.30000 1928-11-01 9.50000 1928-12-01 16.7000 1929-01-01 19.4000 1929-02-01 22.3000 1929-03-01 16.9000 1929-04-01 11.1000 1929-05-01 9.10000 1929-06-01 8.50000 1929-07-01 8.60000 1929-08-01 8.90000 1929-09-01 9.60000 1929-10-01 10.9000 1929-11-01 13.7000 1929-12-01 20.1000 1930-01-01 22.0000 1930-02-01 23.5000 1930-03-01 21.7000 1930-04-01 20.3000 1930-05-01 19.5000 1930-06-01 19.6000 1930-07-01 20.5000 1930-08-01 21.7000 1930-09-01 22.5000 1930-10-01 23.6000 1930-11-01 26.0000 1930-12-01 31.7000 1931-01-01 34.2000 1931-02-01 34.5000 1931-03-01 33.6000 1931-04-01 31.8000 1931-05-01 29.9000 1931-06-01 29.7000 1931-07-01 31.0000 1931-08-01 33.6000 1931-09-01 35.0000 1931-10-01 36.6000 1931-11-01 38.9000 1931-12-01 42.2000 1932-01-01 43.6000 1932-02-01 44.1000 1932-03-01 44.6000 1932-04-01 43.9000 1932-05-01 43.3000 1932-06-01 43.1000 1932-07-01 43.9000 1932-08-01 44.0000 1932-09-01 43.6000 1932-10-01 42.9000 1932-11-01 43.2000 1932-12-01 45.1000 1933-01-01 46.2000 1933-08-01 26.3000 1933-09-01 22.3000 1933-10-01 20.9000 1933-11-01 20.3000 1933-12-01 24.7000 1934-01-01 25.4000 1934-02-01 20.1000 1934-03-01 16.3000 1934-04-01 15.4000 1934-05-01 14.9000 1934-06-01 15.6000 1934-07-01 15.3000 1934-08-01 15.2000 1934-09-01 15.2000