Month	Per Cent Of Total Membership
1907-01-01	98.9000
1907-02-01	98.8000
1907-03-01	98.9000
1907-04-01	99.0000
1907-05-01	99.0000
1907-06-01	99.0000
1907-07-01	99.0000
1907-08-01	99.0000
1907-09-01	99.0000
1907-10-01	98.7000
1907-11-01	98.5000
1907-12-01	97.6000
1908-01-01	97.4000
1908-02-01	97.2000
1908-03-01	97.3000
1908-04-01	96.8000
1908-05-01	96.7000
1908-06-01	96.7000
1908-07-01	97.1000
1908-08-01	97.2000
1908-09-01	96.9000
1908-10-01	96.7000
1908-11-01	96.6000
1908-12-01	95.8000
1909-01-01	95.7000
1909-02-01	95.4000
1909-03-01	95.5000
1909-04-01	95.7000
1909-05-01	96.0000
1909-06-01	96.2000
1909-07-01	96.7000
1909-08-01	97.2000
1909-09-01	97.5000
1909-10-01	97.6000
1909-11-01	97.8000
1909-12-01	97.6000
1910-01-01	97.5000
1910-02-01	97.9000
1910-03-01	98.4000
1910-04-01	98.2000
1910-05-01	98.3000
1910-06-01	98.4000
1910-07-01	98.3000
1910-08-01	98.4000
1910-09-01	98.2000
1910-10-01	98.7000
1910-11-01	98.6000
1910-12-01	98.4000
1911-01-01	97.9000
1911-02-01	97.9000
1911-03-01	97.5000
1911-04-01	98.4000
1911-05-01	98.5000
1911-06-01	98.7000
1911-07-01	98.7000
1911-08-01	98.6000
1911-09-01	98.8000
1911-10-01	98.7000
1911-11-01	98.7000
1911-12-01	98.6000
1912-01-01	98.0000
1912-02-01	98.2000
1912-03-01	98.7000
1912-04-01	98.5000
1912-05-01	98.5000
1912-06-01	98.7000
1912-07-01	98.7000
1912-08-01	98.8000
1912-09-01	98.7000
1912-10-01	98.6000
1912-11-01	98.5000
1912-12-01	97.9000
1913-01-01	97.8000
1913-02-01	97.8000
1913-03-01	97.9000
1913-04-01	97.8000
1913-05-01	97.8000
1913-06-01	97.8000
1913-07-01	97.6000
1913-08-01	97.4000
1913-09-01	97.2000
1913-10-01	97.2000
1913-11-01	96.9000
1913-12-01	96.1000
1914-01-01	95.9000
1914-02-01	96.1000
1914-03-01	96.8000
1914-04-01	96.8000
1914-05-01	96.7000
1914-06-01	97.3000
1914-07-01	97.1000
1914-08-01	78.5000
1914-09-01	85.9000
1914-10-01	91.6000
1914-11-01	94.7000
1914-12-01	95.9000
1915-01-01	97.0000
1915-02-01	97.7000
1915-03-01	98.2000
1915-04-01	98.3000
1915-05-01	98.5000
1915-06-01	98.6000
1915-07-01	98.5000
1915-08-01	98.6000
1915-09-01	98.7000
1915-10-01	99.0000
1915-11-01	99.0000
1915-12-01	98.9000
1916-01-01	98.8000
1916-02-01	98.8000
1916-03-01	98.9000
1916-04-01	99.0000
1916-05-01	99.0000
1916-06-01	99.1000
1916-07-01	99.2000
1916-08-01	99.3000
1916-09-01	99.3000
1916-10-01	99.4000
1916-11-01	99.5000
1916-12-01	99.5000
1917-01-01	99.6000
1917-02-01	99.6000
1917-03-01	99.6000
1917-04-01	99.7000
1917-05-01	99.8000
1917-06-01	99.8000
1917-07-01	99.9000
1917-08-01	99.8000
1917-09-01	99.9000
1917-10-01	99.8000
1917-11-01	99.8000
1917-12-01	99.8000
1918-01-01	99.7000
1918-02-01	99.8000
1918-03-01	99.8000
1918-04-01	99.9000
1918-05-01	99.8000
1918-06-01	99.9000
1918-07-01	99.9000
1918-08-01	99.9000
1918-09-01	99.9000
1918-10-01	99.9000
1918-11-01	98.8000
1918-12-01	97.2000
1919-01-01	95.3000
1919-02-01	95.4000
1919-03-01	97.7000
1919-04-01	92.3000
1919-05-01	94.7000
1919-06-01	98.5000
1919-07-01	97.2000
1919-08-01	97.3000
1919-09-01	98.9000
1919-10-01	97.7000
1919-11-01	97.5000
1919-12-01	98.8000
1920-01-01	97.8000
1920-02-01	98.6000
1920-03-01	98.9000
1920-04-01	98.8000
1920-05-01	98.2000
1920-06-01	97.7000
1920-07-01	96.0000
1920-08-01	94.5000
1920-09-01	95.9000
1920-10-01	96.2000
1920-11-01	95.9000
1920-12-01	96.5000
1921-01-01	96.5000
1921-02-01	95.9000
1921-03-01	96.5000
1921-04-01	95.8000
1921-05-01	95.5000
1921-06-01	96.2000
1921-07-01	96.8000
1921-08-01	97.4000
1921-09-01	98.7000
1921-10-01	99.0000
1921-11-01	99.4000
1921-12-01	99.4000
1922-01-01	99.4000
1922-02-01	99.3000
1922-03-01	99.6000
1922-04-01	99.4000
1922-05-01	99.6000
1922-06-01	99.8000
1922-07-01	99.7000
1922-08-01	99.7000
1922-09-01	99.8000
1922-10-01	99.5000
1922-11-01	99.4000
1922-12-01	99.2000
1923-01-01	98.7000
1923-02-01	97.7000
1923-03-01	97.7000
1923-04-01	93.5000
1923-05-01	93.2000
1923-06-01	95.6000
1923-07-01	96.1000
1923-08-01	92.9000
1923-09-01	89.5000
1923-10-01	81.1000
1923-11-01	76.0000
1923-12-01	74.0000
1924-01-01	75.6000
1924-02-01	72.5000
1924-03-01	79.5000
1924-04-01	83.0000
1924-05-01	85.9000
1924-06-01	83.5000
1924-07-01	79.8000
1924-08-01	79.5000
1924-09-01	81.8000
1924-10-01	86.5000
1924-11-01	90.7000
1924-12-01	92.8000
1925-01-01	92.3000
1925-02-01	93.7000
1925-03-01	94.8000
1925-04-01	94.9000
1925-05-01	96.4000
1925-06-01	96.8000
1925-07-01	96.3000
1925-08-01	95.5000
1925-09-01	94.9000
1925-10-01	92.7000
1925-11-01	91.6000
1925-12-01	84.8000
1926-01-01	81.1000
1926-02-01	79.6000
1926-03-01	75.9000
1926-04-01	80.3000
1926-05-01	79.4000
1926-06-01	78.5000
1926-07-01	78.3000
1926-08-01	79.1000
1926-09-01	80.5000
1926-10-01	81.9000
1926-11-01	82.4000
1926-12-01	84.0000
1927-01-01	84.3000
1927-02-01	85.1000
1927-03-01	87.2000
1927-04-01	88.9000
1927-05-01	90.9000
1927-06-01	92.1000
1927-07-01	93.4000
1927-08-01	94.6000
1927-09-01	95.6000
1927-10-01	96.0000
1927-11-01	96.2000
1927-12-01	94.9000
1928-01-01	94.6000
1928-02-01	94.6000
1928-03-01	95.0000
1928-04-01	95.1000
1928-05-01	95.3000
1928-06-01	95.3000
1928-07-01	95.1000
1928-08-01	94.6000
1928-09-01	94.3000
1928-10-01	93.8000
1928-11-01	93.0000
1928-12-01	91.4000
1929-01-01	90.5000
1929-02-01	89.3000
1929-03-01	90.0000
1929-04-01	91.3000
1929-05-01	92.2000
1929-06-01	92.6000
1929-07-01	92.3000
1929-08-01	91.9000
1929-09-01	91.1000
1929-10-01	90.3000
1929-11-01	88.7000
1929-12-01	86.8000
1930-01-01	85.3000
1930-02-01	84.3000
1930-03-01	83.4000
1930-04-01	83.0000
1930-05-01	82.1000
1930-06-01	81.6000
1930-07-01	80.5000
1930-08-01	78.6000
1930-09-01	77.3000
1930-10-01	76.1000
1930-11-01	74.5000
1930-12-01	72.0000
1931-01-01	70.4000
1931-02-01	70.6000
1931-03-01	69.3000
1931-04-01	69.2000
1931-05-01	69.6000
1931-06-01	69.8000
1931-07-01	67.6000
1931-08-01	66.0000
1931-09-01	64.5000
1931-10-01	62.9000
1931-11-01	60.7000
1931-12-01	58.4000
1932-01-01	56.3000
1932-02-01	55.6000
1932-03-01	54.0000
1932-04-01	53.2000
1932-05-01	52.7000
1932-06-01	52.5000
1932-07-01	51.1000
1932-08-01	51.0000
1932-09-01	51.3000
1932-10-01	51.9000
1932-11-01	51.4000
1932-12-01	50.6000