Month Millions Of Dollars: Seasonally Adjusted By Source 1917-07-01 5217.00 1917-09-01 5285.00 1917-12-01 4721.00 1918-01-01 5486.00 1918-03-01 5323.00 1918-05-01 5151.00 1918-07-01 5258.00 1918-09-01 5519.00 1918-11-01 5370.00 1919-01-01 6124.00 1919-03-01 5995.00 1919-05-01 6270.00 1919-07-01 6310.00 1919-09-01 6877.00 1919-12-01 7025.00 1920-01-01 7108.00 1920-03-01 7289.00 1920-05-01 7216.00 1920-07-01 7184.00 1920-09-01 7194.00 1920-12-01 6873.00 1921-01-01 6600.00 1921-03-01 6388.00 1921-05-01 6100.00 1921-07-01 5970.00 1921-09-01 5979.00 1922-01-01 5882.00 1922-03-01 5940.00 1922-05-01 6040.00 1922-07-01 6359.00 1922-10-01 6541.00 1923-01-01 6494.00 1923-04-01 6577.00 1923-07-01 6772.00