Month 1923=100 1915-11-01 53.8000 1915-12-01 56.0000 1916-01-01 52.1000 1916-02-01 57.8000 1916-03-01 60.0000 1916-04-01 59.7000 1916-05-01 62.1000 1916-06-01 62.5000 1916-07-01 58.7000 1916-08-01 60.9000 1916-09-01 62.9000 1916-10-01 65.5000 1916-11-01 69.2000 1916-12-01 71.0000 1917-01-01 69.8000 1917-02-01 70.5000 1917-03-01 73.6000 1917-04-01 69.4000 1917-05-01 75.8000 1917-06-01 76.1000 1917-07-01 73.1000 1917-08-01 75.0000 1917-09-01 74.4000 1917-10-01 82.2000 1917-11-01 87.4000 1917-12-01 87.8000 1918-01-01 79.6000 1918-02-01 79.8000 1918-03-01 88.2000 1918-04-01 88.8000 1918-05-01 94.5000 1918-06-01 94.3000 1918-07-01 97.5000 1918-08-01 105.300 1918-09-01 106.600 1918-10-01 110.300 1918-11-01 104.100 1918-12-01 111.200 1919-01-01 104.200 1919-02-01 95.0000 1919-03-01 95.4000 1919-04-01 94.5000 1919-05-01 96.7000 1919-06-01 100.200 1919-07-01 102.500 1919-08-01 105.300 1919-09-01 111.600 1919-10-01 105.500 1919-11-01 111.300 1919-12-01 121.500 1920-01-01 126.600 1920-02-01 124.800 1920-03-01 133.000 1920-04-01 130.600 1920-05-01 135.700 1920-06-01 138.000 1920-07-01 124.900 1920-08-01 132.200 1920-09-01 128.200 1920-10-01 123.000 1920-11-01 111.300 1920-12-01 102.400 1921-01-01 80.6000 1921-02-01 82.4000 1921-03-01 83.3000 1921-04-01 82.8000 1921-05-01 81.8000 1921-06-01 81.0000 1921-07-01 76.0000 1921-08-01 79.0000 1921-09-01 77.8000 1921-10-01 76.8000 1921-11-01 77.2000 1921-12-01 81.5000 1922-01-01 71.5000 1922-02-01 76.7000 1922-03-01 74.2000 1922-04-01 72.6000 1922-05-01 76.9000 1922-06-01 82.0000