Month Per Cent Of Total 1887-01-01 10.3000 1887-02-01 8.50000 1887-03-01 7.70000 1887-04-01 6.80000 1887-05-01 8.50000 1887-06-01 8.00000 1887-07-01 8.50000 1887-08-01 8.30000 1887-09-01 7.50000 1887-10-01 8.60000 1887-11-01 8.50000 1887-12-01 6.90000 1888-01-01 7.80000 1888-02-01 7.00000 1888-03-01 5.70000 1888-04-01 5.20000 1888-05-01 4.80000 1888-06-01 4.60000 1888-07-01 3.90000 1888-08-01 4.80000 1888-09-01 4.40000 1888-10-01 4.40000 1888-11-01 3.10000 1888-12-01 3.30000 1889-01-01 3.10000 1889-02-01 2.80000 1889-03-01 2.20000 1889-04-01 2.00000 1889-05-01 2.00000 1889-06-01 1.80000 1889-07-01 1.70000 1889-08-01 2.50000 1889-09-01 2.10000 1889-10-01 1.80000 1889-11-01 1.50000 1889-12-01 1.70000 1890-01-01 1.40000 1890-02-01 1.40000 1890-03-01 1.70000 1890-04-01 2.00000 1890-05-01 2.00000 1890-06-01 1.90000 1890-07-01 2.30000 1890-08-01 2.30000 1890-09-01 2.60000 1890-10-01 2.60000 1890-11-01 2.40000 1890-12-01 3.00000 1891-01-01 3.40000 1891-02-01 2.60000 1891-03-01 2.80000 1891-04-01 2.70000 1891-05-01 3.00000 1891-06-01 2.90000 1891-07-01 3.30000 1891-08-01 4.20000 1891-09-01 4.50000 1891-10-01 4.40000 1891-11-01 3.80000 1891-12-01 4.40000 1892-01-01 5.00000 1892-02-01 5.70000 1892-03-01 5.70000 1892-04-01 5.40000 1892-05-01 5.90000 1892-06-01 5.20000 1892-07-01 5.00000 1892-08-01 5.10000 1892-09-01 6.20000 1892-10-01 7.30000 1892-11-01 8.30000 1892-12-01 10.2000 1893-01-01 10.0000 1893-02-01 9.50000 1893-03-01 8.70000 1893-04-01 6.90000 1893-05-01 6.20000 1893-06-01 5.80000 1893-07-01 6.20000 1893-08-01 7.10000 1893-09-01 7.30000 1893-10-01 7.30000 1893-11-01 7.20000 1893-12-01 7.90000 1894-01-01 7.00000 1894-02-01 5.60000 1894-03-01 6.50000 1894-04-01 6.10000 1894-05-01 6.30000 1894-06-01 6.30000 1894-07-01 7.50000 1894-08-01 7.70000 1894-09-01 7.60000 1894-10-01 7.40000 1894-11-01 6.90000 1894-12-01 7.70000 1895-01-01 8.10000 1895-02-01 7.90000 1895-03-01 6.50000 1895-04-01 6.50000 1895-05-01 6.00000 1895-06-01 5.50000 1895-07-01 5.20000 1895-08-01 5.20000 1895-09-01 4.90000 1895-10-01 4.80000 1895-11-01 4.20000 1895-12-01 4.80000 1896-01-01 4.40000 1896-02-01 3.70000 1896-03-01 3.30000 1896-04-01 3.00000 1896-05-01 3.10000 1896-06-01 3.00000 1896-07-01 3.00000 1896-08-01 3.30000 1896-09-01 3.40000 1896-10-01 3.20000 1896-11-01 2.80000 1896-12-01 3.10000 1897-01-01 3.10000 1897-02-01 2.70000 1897-03-01 2.20000 1897-04-01 2.20000 1897-05-01 2.00000 1897-06-01 2.50000 1897-07-01 2.50000 1897-08-01 3.40000 1897-09-01 4.20000 1897-10-01 4.50000 1897-11-01 4.60000 1897-12-01 5.10000 1898-01-01 4.70000 1898-02-01 4.20000 1898-03-01 2.90000 1898-04-01 2.70000 1898-05-01 2.40000 1898-06-01 2.40000 1898-07-01 2.40000 1898-08-01 2.50000 1898-09-01 2.30000 1898-10-01 2.20000 1898-11-01 2.00000 1898-12-01 2.60000 1899-01-01 2.70000 1899-02-01 2.10000 1899-03-01 2.00000 1899-04-01 1.70000 1899-05-01 2.00000 1899-06-01 1.80000 1899-07-01 1.80000 1899-08-01 2.10000 1899-09-01 2.00000 1899-10-01 1.90000 1899-11-01 1.80000 1899-12-01 2.30000 1900-01-01 2.30000 1900-02-01 2.40000 1900-03-01 2.00000 1900-04-01 2.00000 1900-05-01 1.90000 1900-06-01 2.10000 1900-07-01 2.20000 1900-08-01 2.50000 1900-09-01 3.00000 1900-10-01 2.80000 1900-11-01 2.70000 1900-12-01 3.50000 1901-01-01 3.50000 1901-02-01 3.40000 1901-03-01 3.10000 1901-04-01 3.40000 1901-05-01 3.00000 1901-06-01 3.00000 1901-07-01 2.90000 1901-08-01 3.40000 1901-09-01 3.20000 1901-10-01 3.20000 1901-11-01 3.30000 1901-12-01 4.20000 1902-01-01 4.00000 1902-02-01 3.90000 1902-03-01 3.20000 1902-04-01 3.40000 1902-05-01 3.50000 1902-06-01 3.70000 1902-07-01 3.50000 1902-08-01 4.00000 1902-09-01 4.50000 1902-10-01 4.50000 1902-11-01 4.40000 1902-12-01 5.00000 1903-01-01 4.90000 1903-02-01 4.30000 1903-03-01 3.90000 1903-04-01 3.60000 1903-05-01 3.50000 1903-06-01 3.90000 1903-07-01 4.40000 1903-08-01 5.00000 1903-09-01 5.20000 1903-10-01 5.60000 1903-11-01 5.50000 1903-12-01 6.30000 1904-01-01 6.10000 1904-02-01 5.60000 1904-03-01 5.50000 1904-04-01 5.50000 1904-05-01 5.80000 1904-06-01 5.50000 1904-07-01 5.60000 1904-08-01 5.90000 1904-09-01 6.30000 1904-10-01 6.30000 1904-11-01 6.50000 1904-12-01 7.10000 1905-01-01 6.30000 1905-02-01 5.70000 1905-03-01 5.20000 1905-04-01 5.20000 1905-05-01 4.70000 1905-06-01 4.80000 1905-07-01 4.70000 1905-08-01 4.90000 1905-09-01 4.80000 1905-10-01 4.60000 1905-11-01 4.30000 1905-12-01 4.50000 1906-01-01 4.30000 1906-02-01 4.10000 1906-03-01 3.40000 1906-04-01 3.20000 1906-05-01 3.10000 1906-06-01 3.20000 1906-07-01 3.10000 1906-08-01 3.30000 1906-09-01 3.30000 1906-10-01 3.90000 1906-11-01 4.00000 1906-12-01 4.40000 1907-01-01 3.90000 1907-02-01 3.50000 1907-03-01 3.20000 1907-04-01 2.80000 1907-05-01 3.00000 1907-06-01 3.10000 1907-07-01 3.20000 1907-08-01 3.60000 1907-09-01 4.10000 1907-10-01 4.20000 1907-11-01 4.50000 1907-12-01 5.60000 1908-01-01 5.80000 1908-02-01 6.00000 1908-03-01 6.40000 1908-04-01 7.10000 1908-05-01 7.40000 1908-06-01 7.90000 1908-07-01 7.90000 1908-08-01 8.50000 1908-09-01 9.30000 1908-10-01 9.50000 1908-11-01 8.70000 1908-12-01 9.10000 1909-01-01 8.70000 1909-02-01 8.40000 1909-03-01 8.20000 1909-04-01 8.20000 1909-05-01 7.90000 1909-06-01 7.90000 1909-07-01 7.90000 1909-08-01 7.70000 1909-09-01 7.40000 1909-10-01 7.10000 1909-11-01 6.50000 1909-12-01 6.60000 1910-01-01 6.80000 1910-02-01 5.70000 1910-03-01 5.20000 1910-04-01 4.40000 1910-05-01 4.20000 1910-06-01 3.70000 1910-07-01 3.80000 1910-08-01 4.00000 1910-09-01 4.30000 1910-10-01 4.40000 1910-11-01 4.60000 1910-12-01 5.00000 1911-01-01 3.90000 1911-02-01 3.30000 1911-03-01 3.00000 1911-04-01 2.80000 1911-05-01 2.50000 1911-06-01 3.00000 1911-07-01 2.90000 1911-08-01 3.30000 1911-09-01 2.90000 1911-10-01 2.80000 1911-11-01 2.60000 1911-12-01 3.10000 1912-01-01 2.70000 1912-02-01 2.80000 1912-03-01 11.3000 1912-04-01 3.60000 1912-05-01 2.70000 1912-06-01 2.50000 1912-07-01 2.60000 1912-08-01 2.20000 1912-09-01 2.10000 1912-10-01 2.00000 1912-11-01 1.80000 1912-12-01 2.30000 1913-01-01 2.20000 1913-02-01 2.00000 1913-03-01 1.90000 1913-04-01 1.70000 1913-05-01 1.90000 1913-06-01 1.90000 1913-07-01 1.90000 1913-08-01 2.00000 1913-09-01 2.30000 1913-10-01 2.20000 1913-11-01 2.00000 1913-12-01 2.60000 1914-01-01 2.50000 1914-02-01 2.30000 1914-03-01 2.10000 1914-04-01 2.10000 1914-05-01 2.30000 1914-06-01 2.40000 1914-07-01 2.80000 1914-08-01 7.10000 1914-09-01 5.90000 1914-10-01 4.40000 1914-11-01 2.90000 1914-12-01 2.50000 1915-01-01 1.90000 1915-02-01 1.60000 1915-03-01 1.30000 1915-04-01 1.20000 1915-05-01 1.20000 1915-06-01 1.00000 1915-07-01 0.900000 1915-08-01 1.00000 1915-09-01 0.900000 1915-10-01 0.800000 1915-11-01 0.600000 1915-12-01 0.600000 1916-01-01 0.600000 1916-02-01 0.500000 1916-03-01 0.500000 1916-04-01 0.500000 1916-05-01 0.500000 1916-06-01 0.500000 1916-07-01 0.400000 1916-08-01 0.400000 1916-09-01 0.400000 1916-10-01 0.300000 1916-11-01 0.300000 1916-12-01 0.300000 1917-01-01 0.300000 1917-02-01 0.300000 1917-03-01 0.300000 1917-04-01 0.300000 1917-05-01 0.400000 1917-06-01 0.400000 1917-07-01 0.400000 1917-08-01 0.500000 1917-09-01 1.30000 1917-10-01 1.10000 1917-11-01 1.10000 1917-12-01 1.40000 1918-01-01 1.00000 1918-02-01 0.900000 1918-03-01 1.20000 1918-04-01 0.900000 1918-05-01 0.900000 1918-06-01 0.700000 1918-07-01 0.600000 1918-08-01 0.500000 1918-09-01 0.500000 1918-10-01 0.400000 1918-11-01 0.500000 1918-12-01 1.20000 1919-01-01 2.40000 1919-02-01 2.80000 1919-03-01 2.80000 1919-04-01 2.70000 1919-05-01 2.10000 1919-06-01 1.70000 1919-07-01 2.00000 1919-08-01 2.20000 1919-09-01 1.60000 1919-10-01 2.60000 1919-11-01 2.90000 1919-12-01 3.20000 1920-01-01 2.90000 1920-02-01 1.60000 1920-03-01 1.10000 1920-04-01 0.900000 1920-05-01 1.10000 1920-06-01 1.20000 1920-07-01 1.40000 1920-08-01 1.60000 1920-09-01 2.20000 1920-10-01 5.30000 1920-11-01 3.70000 1920-12-01 6.00000 1921-01-01 6.90000 1921-02-01 8.50000 1921-03-01 10.0000 1921-04-01 17.6000 1921-05-01 22.2000 1921-06-01 23.1000 1921-07-01 16.7000 1921-08-01 16.3000 1921-09-01 14.8000 1921-10-01 15.6000 1921-11-01 15.9000 1921-12-01 16.5000 1922-01-01 16.8000 1922-02-01 16.3000 1922-03-01 16.3000 1922-04-01 17.0000 1922-05-01 16.4000 1922-06-01 15.7000 1922-07-01 14.6000 1922-08-01 14.4000 1922-09-01 14.6000 1922-10-01 14.0000 1922-11-01 14.2000 1922-12-01 14.0000 1923-01-01 13.7000 1923-02-01 13.1000 1923-03-01 12.3000 1923-04-01 11.3000 1923-05-01 11.3000 1923-06-01 11.1000 1923-07-01 11.1000 1923-08-01 11.4000 1923-09-01 11.3000 1923-10-01 10.9000 1923-11-01 10.5000 1923-12-01 9.70000 1924-01-01 8.90000 1924-02-01 8.10000 1924-03-01 7.80000 1924-04-01 7.50000 1924-05-01 7.00000