Month Thousands Of Cases 1859-01-01 13.7000 1859-02-01 19.4000 1859-03-01 18.1000 1859-04-01 12.1000 1859-05-01 8.60000 1859-06-01 7.70000 1859-07-01 21.8000 1859-08-01 22.9000 1859-09-01 14.6000 1859-10-01 9.30000 1859-11-01 6.70000 1859-12-01 3.10000 1860-01-01 10.3000 1860-02-01 18.7000 1860-03-01 16.6000 1860-04-01 10.1000 1860-05-01 5.80000 1860-06-01 5.80000 1860-07-01 15.0000 1860-08-01 23.1000 1860-09-01 17.6000 1860-10-01 11.1000 1860-11-01 6.10000 1860-12-01 6.40000 1861-01-01 3.10000 1861-02-01 16.9000 1861-03-01 15.6000 1861-04-01 7.30000 1861-05-01 3.00000 1861-06-01 2.60000 1861-07-01 2.50000 1861-08-01 11.4000 1861-09-01 13.4000 1861-10-01 13.3000 1861-11-01 11.4000 1861-12-01 18.8000 1862-01-01 4.40000 1862-02-01 8.40000 1862-03-01 11.2000 1862-04-01 10.9000 1862-05-01 10.7000 1862-06-01 8.00000 1862-07-01 13.0000 1862-08-01 10.8000 1862-09-01 9.00000 1862-10-01 10.3000 1862-11-01 13.6000 1862-12-01 7.00000 1863-01-01 10.0000 1863-02-01 14.9000 1863-03-01 12.6000 1863-04-01 8.30000 1863-05-01 7.00000 1863-06-01 8.30000 1863-07-01 13.7000 1863-08-01 14.5000 1863-09-01 14.2000 1863-10-01 12.1000 1863-11-01 9.70000 1863-12-01 6.00000 1864-01-01 14.8000 1864-02-01 15.3000 1864-03-01 10.8000 1864-04-01 10.2000 1864-05-01 7.30000 1864-06-01 8.60000 1864-07-01 12.4000 1864-08-01 10.3000 1864-09-01 8.00000 1864-10-01 7.50000 1864-11-01 9.10000 1864-12-01 5.90000 1865-01-01 9.00000 1865-02-01 11.5000 1865-03-01 10.7000 1865-04-01 7.10000 1865-05-01 7.50000 1865-06-01 7.70000 1865-07-01 17.8000 1865-08-01 28.8000 1865-09-01 22.9000 1865-10-01 17.9000 1865-11-01 15.8000 1865-12-01 7.00000 1866-01-01 13.2000 1866-02-01 20.2000 1866-03-01 16.5000 1866-04-01 13.4000 1866-05-01 10.0000 1866-06-01 8.90000 1866-07-01 11.1000 1866-08-01 35.2000 1866-09-01 23.3000 1866-10-01 18.5000 1866-11-01 10.6000 1866-12-01 5.60000 1867-01-01 6.50000 1867-02-01 21.1000 1867-03-01 20.7000 1867-04-01 15.6000 1867-05-01 10.2000 1867-06-01 8.10000 1867-07-01 24.5000 1867-08-01 34.7000 1867-09-01 29.1000 1867-10-01 22.2000 1867-11-01 14.2000 1867-12-01 6.70000 1868-01-01 6.00000 1868-02-01 20.2000 1868-03-01 23.6000 1868-04-01 20.3000 1868-05-01 15.8000 1868-06-01 11.4000 1868-07-01 26.4000 1868-08-01 31.2000 1868-09-01 28.4000 1868-10-01 23.5000 1868-11-01 15.0000 1868-12-01 12.3000 1869-01-01 16.5000 1869-02-01 29.8000 1869-03-01 28.3000 1869-04-01 26.3000 1869-05-01 21.0000 1869-06-01 13.9000 1869-07-01 36.5000 1869-08-01 46.6000 1869-09-01 32.7000 1869-10-01 28.8000 1869-11-01 18.1000 1869-12-01 14.6000 1870-01-01 14.4000 1870-02-01 33.3000 1870-03-01 29.2000 1870-04-01 21.3000 1870-05-01 15.6000 1870-06-01 9.70000 1870-07-01 28.4000 1870-08-01 41.8000 1870-09-01 36.4000 1870-10-01 27.0000 1870-11-01 19.8000 1870-12-01 9.60000 1871-01-01 13.9000 1871-02-01 31.5000 1871-03-01 29.7000 1871-04-01 23.1000 1871-05-01 16.2000 1871-06-01 10.3000 1871-07-01 29.6000 1871-08-01 44.3000 1871-09-01 38.7000 1871-10-01 29.4000 1871-11-01 22.8000 1871-12-01 9.00000 1872-01-01 19.6000 1872-02-01 32.3000 1872-03-01 39.5000 1872-04-01 31.4000 1872-05-01 18.1000 1872-06-01 10.9000 1872-07-01 37.7000 1872-08-01 48.0000 1872-09-01 43.8000 1872-10-01 32.7000 1872-11-01 13.9000 1872-12-01 7.70000 1873-01-01 17.5000 1873-02-01 36.0000 1873-03-01 37.1000 1873-04-01 27.4000 1873-05-01 13.6000 1873-06-01 10.1000 1873-07-01 25.4000 1873-08-01 46.9000 1873-09-01 42.6000 1873-10-01 28.3000 1873-11-01 16.9000 1873-12-01 7.40000 1874-01-01 17.4000 1874-02-01 35.1000 1874-03-01 37.8000 1874-04-01 26.5000 1874-05-01 12.9000 1874-06-01 12.5000 1874-07-01 32.2000 1874-08-01 46.0000 1874-09-01 40.2000 1874-10-01 29.4000 1874-11-01 18.1000 1874-12-01 13.0000 1875-01-01 18.3000 1875-02-01 34.0000 1875-03-01 35.6000 1875-04-01 23.8000 1875-05-01 14.2000 1875-06-01 12.5000 1875-07-01 35.4000 1875-08-01 47.9000 1875-09-01 46.6000 1875-10-01 36.2000 1875-11-01 21.4000 1875-12-01 10.1000 1876-01-01 18.6000 1876-02-01 35.7000 1876-03-01 36.4000 1876-04-01 25.0000 1876-05-01 15.7000 1876-06-01 15.1000 1876-07-01 29.5000 1876-08-01 47.5000 1876-09-01 46.7000 1876-10-01 37.5000 1876-11-01 24.5000 1876-12-01 18.0000 1877-01-01 24.6000 1877-02-01 42.3000 1877-03-01 41.5000 1877-04-01 27.9000 1877-05-01 14.6000 1877-06-01 33.8000 1877-07-01 34.2000 1877-08-01 55.7000 1877-09-01 50.6000 1877-10-01 42.8000 1877-11-01 21.1000 1877-12-01 14.5000 1878-01-01 20.3000 1878-02-01 37.5000 1878-03-01 38.8000 1878-04-01 26.0000 1878-05-01 14.4000 1878-06-01 14.4000 1878-07-01 36.0000 1878-08-01 55.5000 1878-09-01 54.1000 1878-10-01 44.0000 1878-11-01 26.3000 1878-12-01 11.4000 1879-01-01 22.1000 1879-02-01 41.3000 1879-03-01 43.5000 1879-04-01 30.6000 1879-05-01 19.3000 1879-06-01 28.0000 1879-07-01 49.3000 1879-08-01 63.0000 1879-09-01 62.7000 1879-10-01 44.5000 1879-11-01 27.9000 1879-12-01 23.5000 1880-01-01 42.2000 1880-02-01 52.2000 1880-03-01 50.1000 1880-04-01 30.3000 1880-05-01 22.2000 1880-06-01 29.8000 1880-07-01 52.9000 1880-08-01 71.0000 1880-09-01 64.2000 1880-10-01 48.1000 1880-11-01 31.1000 1880-12-01 22.4000 1881-01-01 37.9000 1881-02-01 54.4000 1881-03-01 55.6000 1881-04-01 34.6000 1881-05-01 22.9000 1881-06-01 31.3000 1881-07-01 58.4000 1881-08-01 73.2000 1881-09-01 60.3000 1881-10-01 47.9000 1881-11-01 30.0000 1881-12-01 23.9000 1882-01-01 42.4000 1882-02-01 53.1000 1882-03-01 52.2000 1882-04-01 35.7000 1882-05-01 31.9000 1882-06-01 46.0000 1882-07-01 52.2000 1882-08-01 70.3000 1882-09-01 63.4000 1882-10-01 49.9000 1882-11-01 31.2000 1882-12-01 29.9000 1883-01-01 49.9000 1883-02-01 59.2000 1883-03-01 55.3000 1883-04-01 39.9000 1883-05-01 29.9000 1883-06-01 47.5000 1883-07-01 67.4000 1883-08-01 74.9000 1883-09-01 68.8000 1883-10-01 46.4000 1883-11-01 28.1000 1883-12-01 23.4000 1884-01-01 49.4000 1884-02-01 57.2000 1884-03-01 52.0000 1884-04-01 34.7000 1884-05-01 31.3000 1884-06-01 48.9000 1884-07-01 71.9000 1884-08-01 73.5000 1884-09-01 61.5000 1884-10-01 38.4000 1884-11-01 27.4000 1884-12-01 29.5000 1885-01-01 32.4000 1885-02-01 49.9000 1885-03-01 53.1000 1885-04-01 39.5000 1885-05-01 39.6000 1885-06-01 47.3000 1885-07-01 62.1000 1885-08-01 70.2000 1885-09-01 73.5000 1885-10-01 58.1000 1885-11-01 44.4000 1885-12-01 39.7000 1886-01-01 53.5000 1886-02-01 60.0000 1886-03-01 62.8000 1886-04-01 47.9000 1886-05-01 42.3000 1886-06-01 55.4000 1886-07-01 66.3000 1886-08-01 71.7000 1886-09-01 66.1000 1886-10-01 53.9000 1886-11-01 42.8000 1886-12-01 39.7000 1887-01-01 51.2000 1887-02-01 58.1000 1887-03-01 59.3000 1887-04-01 46.6000 1887-05-01 47.0000 1887-06-01 65.6000 1887-07-01 67.2000 1887-08-01 81.4000 1887-09-01 74.2000 1887-10-01 61.2000 1887-11-01 45.4000 1887-12-01 49.0000 1888-01-01 60.8000 1888-02-01 67.8000 1888-03-01 64.1000 1888-04-01 51.6000 1888-05-01 47.0000 1888-06-01 74.7000 1888-07-01 74.7000 1888-08-01 83.1000 1888-09-01 73.6000 1888-10-01 63.2000 1888-11-01 43.0000 1888-12-01 50.2000 1889-01-01 63.4000 1889-02-01 65.4000 1889-03-01 66.2000 1889-04-01 52.0000 1889-05-01 53.3000 1889-06-01 78.4000 1889-07-01 74.1000 1889-08-01 82.7000 1889-09-01 75.1000 1889-10-01 69.1000 1889-11-01 50.7000 1889-12-01 55.0000 1890-01-01 62.7000 1890-02-01 71.9000 1890-03-01 78.8000 1890-04-01 58.3000 1890-05-01 56.6000 1890-06-01 78.9000 1890-07-01 72.1000 1890-08-01 79.9000 1890-09-01 80.3000 1890-10-01 71.3000 1890-11-01 51.6000 1890-12-01 56.1000 1891-01-01 67.8000 1891-02-01 70.7000 1891-03-01 68.2000 1891-04-01 55.6000 1891-05-01 48.4000 1891-06-01 69.6000 1891-07-01 82.1000 1891-08-01 76.5000 1891-09-01 75.7000 1891-10-01 65.1000 1891-11-01 50.1000 1891-12-01 54.7000 1892-01-01 64.5000 1892-02-01 65.9000 1892-03-01 69.1000 1892-04-01 58.6000 1892-05-01 63.3000 1892-06-01 84.7000 1892-07-01 79.5000 1892-08-01 81.7000 1892-09-01 82.2000 1892-10-01 75.1000 1892-11-01 60.5000 1892-12-01 68.2000 1893-01-01 76.0000 1893-02-01 73.2000 1893-03-01 81.3000 1893-04-01 67.7000 1893-05-01 69.7000 1893-06-01 85.7000 1893-07-01 63.7000 1893-08-01 57.4000 1893-09-01 55.5000 1893-10-01 58.0000 1893-11-01 52.5000 1893-12-01 52.6000 1894-01-01 60.2000 1894-02-01 62.5000 1894-03-01 69.3000 1894-04-01 60.7000 1894-05-01 71.6000 1894-06-01 87.6000 1894-07-01 70.5000 1894-08-01 89.1000 1894-09-01 83.5000 1894-10-01 82.4000 1894-11-01 69.9000 1894-12-01 70.3000 1895-01-01 80.9000 1895-02-01 77.3000 1895-03-01 79.1000 1895-04-01 73.5000 1895-05-01 81.5000 1895-06-01 99.3000 1895-07-01 89.0000 1895-08-01 84.9000 1895-09-01 74.2000 1895-10-01 62.3000 1895-11-01 62.4000 1895-12-01 68.1000 1896-01-01 63.0000 1896-02-01 63.7000 1896-03-01 68.0000 1896-04-01 69.1000 1896-05-01 81.4000 1896-06-01 88.3000 1896-07-01 83.1000 1896-08-01 88.6000 1896-09-01 85.4000 1896-10-01 81.0000 1896-11-01 61.8000 1896-12-01 75.5000 1897-01-01 81.2000 1897-02-01 77.4000 1897-03-01 75.9000 1897-04-01 64.9000 1897-05-01 70.2000 1897-06-01 82.6000 1897-07-01 79.1000 1897-08-01 84.9000 1897-09-01 92.2000 1897-10-01 82.2000 1897-11-01 81.8000 1897-12-01 92.5000 1898-01-01 84.3000 1898-02-01 90.7000 1898-03-01 86.0000 1898-04-01 70.9000 1898-05-01 75.6000 1898-06-01 88.2000 1898-07-01 89.9000 1898-08-01 90.5000 1898-09-01 89.6000 1898-10-01 81.3000 1898-11-01 70.9000 1898-12-01 79.6000 1899-01-01 82.7000 1899-02-01 72.0000 1899-03-01 87.3000 1899-04-01 80.9000 1899-05-01 88.4000 1899-06-01 101.200 1899-07-01 102.600 1899-08-01 101.400 1899-09-01 100.500 1899-10-01 91.1000 1899-11-01 93.0000 1899-12-01 96.1000 1900-01-01 94.4000 1900-02-01 96.5000 1900-03-01 90.0000 1900-04-01 75.9000 1900-05-01 70.4000 1900-06-01 80.2000 1900-07-01 73.3000 1900-08-01 74.9000 1900-09-01 75.1000 1900-10-01 82.9000 1900-11-01 83.5000 1900-12-01 84.5000 1901-01-01 84.7000 1901-02-01 86.1000 1901-03-01 91.6000 1901-04-01 83.1000 1901-05-01 99.2000 1901-06-01 101.400 1901-07-01 87.7000 1901-08-01 95.4000 1901-09-01 94.3000 1901-10-01 100.300 1901-11-01 97.1000 1901-12-01 99.7000 1902-01-01 93.3000 1902-02-01 82.3000 1902-03-01 79.9000 1902-04-01 71.4000 1902-05-01 74.2000 1902-06-01 78.5000 1902-07-01 77.3000 1902-08-01 87.6000 1902-09-01 92.6000 1902-10-01 99.5000 1902-11-01 88.6000 1902-12-01 91.2000 1903-01-01 93.5000 1903-02-01 88.3000 1903-03-01 96.1000 1903-04-01 86.2000 1903-05-01 92.6000 1903-06-01 98.2000 1903-07-01 98.2000 1903-08-01 104.400 1903-09-01 106.300 1903-10-01 106.800 1903-11-01 95.1000 1903-12-01 93.6000 1904-01-01 87.4000 1904-02-01 84.3000 1904-03-01 91.5000 1904-04-01 81.6000 1904-05-01 83.6000 1904-06-01 85.0000 1904-07-01 89.1000 1904-08-01 94.3000 1904-09-01 95.5000 1904-10-01 100.500 1904-11-01 92.5000 1904-12-01 90.6000 1905-01-01 83.4000 1905-02-01 90.7000 1905-03-01 101.400 1905-04-01 89.5000 1905-05-01 89.8000 1905-06-01 97.7000 1905-07-01 92.5000 1905-08-01 99.7000 1905-09-01 107.200 1905-10-01 110.000 1905-11-01 107.000 1905-12-01 96.4000 1906-01-01 101.400 1906-02-01 97.6000 1906-03-01 96.4000 1906-04-01 93.7000 1906-05-01 101.800 1906-06-01 99.5000 1906-07-01 96.5000 1906-08-01 100.200 1906-09-01 98.1000 1906-10-01 103.800 1906-11-01 95.7000 1906-12-01 84.3000 1907-01-01 89.7000 1907-02-01 92.8000 1907-03-01 98.7000 1907-04-01 99.2000 1907-05-01 96.3000 1907-06-01 93.1000 1907-07-01 91.4000 1907-08-01 97.1000 1907-09-01 89.4000 1907-10-01 93.7000 1907-11-01 81.4000 1907-12-01 66.1000 1908-01-01 64.7000 1908-02-01 68.6000 1908-03-01 70.4000 1908-04-01 60.7000 1908-05-01 60.9000 1908-06-01 56.0000 1908-07-01 62.8000 1908-08-01 78.8000 1908-09-01 82.6000 1908-10-01 84.0000 1908-11-01 86.4000 1908-12-01 79.9000 1909-01-01 83.2000 1909-02-01 83.1000 1909-03-01 86.7000 1909-04-01 75.4000 1909-05-01 73.1000 1909-06-01 72.2000 1909-07-01 74.9000 1909-08-01 87.8000 1909-09-01 85.0000 1909-10-01 86.4000 1909-11-01 81.2000 1909-12-01 72.6000 1910-01-01 83.6000 1910-02-01 84.7000 1910-03-01 84.1000 1910-04-01 77.7000 1910-05-01 73.5000 1910-06-01 64.0000 1910-07-01 70.9000 1910-08-01 83.3000