Month Millions Of Dollars: Seasonally Adjusted By Source 1916-01-01 1296.00 1916-03-01 1371.00 1916-05-01 1445.00 1916-07-01 1510.00 1916-09-01 1572.00 1916-12-01 1648.00 1917-01-01 1681.00 1917-03-01 1798.00 1917-05-01 1873.00 1917-07-01 1893.00 1917-09-01 1982.00 1917-12-01 1962.00 1918-01-01 1978.00 1918-03-01 2034.00 1918-05-01 2018.00 1918-07-01 2027.00 1918-09-01 2059.00 1918-11-01 2044.00 1919-01-01 2136.00 1919-03-01 2294.00 1919-05-01 2317.00 1919-07-01 2426.00 1919-09-01 2522.00 1919-12-01 2634.00 1920-01-01 2712.00 1920-03-01 2824.00 1920-05-01 2959.00 1920-07-01 3031.00 1920-09-01 3083.00 1920-12-01 3149.00 1921-01-01 3175.00 1921-03-01 3252.00 1921-05-01 3231.00 1921-07-01 3247.00 1921-09-01 3239.00 1922-01-01 3274.00 1922-03-01 3336.00 1922-05-01 3395.00 1922-07-01 3483.00 1922-10-01 3552.00 1923-01-01 3667.00 1923-04-01 3896.00 1923-07-01 4065.00