Month May 31St, 1914=100 1914-01-01 89.3000 1914-02-01 92.3000 1914-03-01 95.1000 1914-04-01 98.6000 1914-05-01 100.000 1914-06-01 99.8000 1914-07-01 95.0000 1914-08-01 74.4000 1914-09-01 74.9000 1914-10-01 76.8000 1914-11-01 77.8000 1914-12-01 76.3000 1915-01-01 76.6000 1915-02-01 77.3000 1915-03-01 77.5000 1915-04-01 79.2000 1915-05-01 78.9000 1915-06-01 78.1000 1915-07-01 77.6000 1915-08-01 77.1000 1915-09-01 76.5000 1915-10-01 76.4000 1915-11-01 75.9000 1915-12-01 74.5000 1916-01-01 74.5000 1916-02-01 74.4000 1916-03-01 74.8000 1916-04-01 76.5000 1916-05-01 77.6000 1916-06-01 77.4000 1916-07-01 77.4000 1916-08-01 77.4000 1916-09-01 77.0000 1916-10-01 77.5000 1916-11-01 77.8000 1916-12-01 76.9000 1917-01-01 76.5000 1917-02-01 76.8000 1917-03-01 77.7000 1917-04-01 80.0000 1917-05-01 81.1000 1917-06-01 80.2000 1917-07-01 80.1000 1917-08-01 80.5000 1917-09-01 80.7000 1917-10-01 81.2000 1917-11-01 81.7000 1917-12-01 80.4000 1918-01-01 80.0000 1918-02-01 79.9000 1918-03-01 79.8000 1918-04-01 81.1000 1918-05-01 81.8000 1918-06-01 80.8000 1918-07-01 79.7000 1918-08-01 80.5000 1918-09-01 80.1000 1918-10-01 76.8000 1918-11-01 76.8000 1918-12-01 79.0000 1919-01-01 82.0000 1919-02-01 83.7000 1919-03-01 86.4000 1919-04-01 89.8000 1919-05-01 92.8000 1919-06-01 93.8000 1919-07-01 94.2000 1919-08-01 94.7000 1919-09-01 95.0000 1919-10-01 95.6000 1919-11-01 96.5000 1919-12-01 96.2000 1920-01-01 96.6000 1920-02-01 96.8000 1920-03-01 97.8000