Month	Thousands Of Long Tons
1919-01-01	100.000
1919-02-01	50.0000
1919-03-01	77.0000
1919-04-01	120.000
1919-05-01	244.000
1919-06-01	816.000
1919-07-01	666.000
1919-08-01	604.000
1919-09-01	496.000
1919-10-01	841.000
1919-11-01	578.000
1919-12-01	513.000
1920-01-01	1494.00
1920-02-01	1037.00
1920-03-01	465.000
1920-04-01	374.000
1920-05-01	247.000
1920-06-01	342.000
1920-07-01	314.000
1920-08-01	335.000
1920-09-01	165.000
1920-10-01	59.0000
1920-11-01	63.0000
1920-12-01	58.0000
1921-01-01	92.0000
1921-02-01	75.0000
1921-03-01	97.0000
1921-04-01	102.000
1921-05-01	114.000
1921-06-01	80.0000
1921-07-01	133.000
1921-08-01	208.000
1921-09-01	280.000
1921-10-01	202.000
1921-11-01	157.000
1921-12-01	210.000
1922-01-01	228.000
1922-02-01	260.000
1922-03-01	505.000
1922-04-01	792.000
1922-05-01	387.000
1922-06-01	273.000
1922-07-01	245.000
1922-08-01	223.000
1922-09-01	182.000
1922-10-01	187.000
1922-11-01	236.000
1922-12-01	807.000
1923-01-01	503.000
1923-02-01	689.000
1923-03-01	920.000
1923-04-01	220.000
1923-05-01	129.000
1923-06-01	170.000
1923-07-01	219.000
1923-08-01	303.000
1923-09-01	301.000
1923-10-01	252.000
1923-11-01	981.000
1923-12-01	199.000
1924-01-01	613.000
1924-02-01	355.000
1924-03-01	173.000
1924-04-01	99.0000
1924-05-01	165.000
1924-06-01	391.000
1924-07-01	274.000
1924-08-01	370.000
1924-09-01	321.000
1924-10-01	334.000
1924-11-01	874.000
1924-12-01	351.000
1925-01-01	285.000
1925-02-01	125.000
1925-03-01	202.000
1925-04-01	220.000
1925-05-01	478.000
1925-06-01	460.000
1925-07-01	324.000
1925-08-01	368.000
1925-09-01	479.000
1925-10-01	589.000
1925-11-01	314.000
1925-12-01	173.000
1926-01-01	208.000
1926-02-01	179.000
1926-03-01	296.000
1926-04-01	191.000
1926-05-01	227.000
1926-06-01	769.000
1926-07-01	390.000
1926-08-01	248.000
1926-09-01	445.000
1926-10-01	391.000
1926-11-01	387.000
1926-12-01	167.000