Month	Thousands Of Short Tons
1917-12-01	238.100
1918-01-01	208.000
1918-02-01	189.700
1918-03-01	177.300
1918-04-01	191.800
1918-05-01	192.300
1918-06-01	181.900
1918-07-01	187.900
1918-08-01	180.800
1918-09-01	183.600
1918-10-01	187.800
1918-11-01	189.900
1918-12-01	199.900
1919-01-01	229.600
1919-02-01	249.200
1919-03-01	271.900
1919-04-01	288.000
1919-05-01	284.100
1919-06-01	278.700
1919-07-01	260.900
1919-08-01	240.000
1919-09-01	219.200
1919-10-01	198.200
1919-11-01	184.000
1919-12-01	164.300
1920-01-01	167.900
1920-02-01	200.100
1920-03-01	184.700
1920-04-01	196.200
1920-05-01	179.100
1920-06-01	168.300
1920-07-01	169.500
1920-08-01	170.600
1920-09-01	165.300
1920-10-01	174.000
1920-11-01	192.800
1920-12-01	214.400
1921-01-01	248.900
1921-02-01	273.200
1921-03-01	297.300
1921-04-01	293.800
1921-05-01	291.100
1921-06-01	288.800
1921-07-01	279.500
1921-08-01	274.000
1921-09-01	262.800
1921-10-01	244.700
1921-11-01	248.900
1921-12-01	253.600
1922-01-01	265.000
1922-02-01	274.700
1922-03-01	289.500
1922-04-01	284.900
1922-05-01	285.700
1922-06-01	293.100
1922-07-01	280.700
1922-08-01	264.500
1922-09-01	249.500
1922-10-01	239.800
1922-11-01	238.100
1922-12-01	258.000
1923-01-01	254.000
1923-02-01	262.700
1923-03-01	197.500
1923-04-01	230.200
1923-05-01	245.900
1923-06-01	279.500
1923-07-01	292.900
1923-08-01	311.800
1923-09-01	311.800
1923-10-01	310.500
1923-11-01	318.100
1923-12-01	326.400
1924-01-01	341.300
1924-02-01	328.100
1924-03-01	330.000
1924-04-01	336.500
1924-05-01	358.600
1924-06-01	369.900
1924-07-01	356.500
1924-08-01	353.100
1924-09-01	343.300
1924-10-01	335.200
1924-11-01	341.400
1924-12-01	348.500
1925-01-01	354.400
1925-02-01	346.900
1925-03-01	349.500
1925-04-01	360.100
1925-05-01	365.400
1925-06-01	381.900
1925-07-01	384.500
1925-08-01	371.800
1925-09-01	351.200
1925-10-01	330.300
1925-11-01	319.000
1925-12-01	324.500
1926-01-01	318.400
1926-02-01	313.700
1926-03-01	324.000
1926-04-01	323.700
1926-05-01	337.100
1926-06-01	356.700
1926-07-01	342.000
1926-08-01	344.700
1926-09-01	341.300
1926-10-01	321.100
1926-11-01	324.900
1926-12-01	315.700
1927-01-01	323.200
1927-02-01	319.600
1927-03-01	329.400
1927-04-01	330.200
1927-05-01	341.000
1927-06-01	351.200
1927-07-01	348.900
1927-08-01	361.300
1927-09-01	355.300
1927-10-01	348.200
1927-11-01	345.000
1927-12-01	341.800
1928-01-01	345.300
1928-02-01	357.800
1928-03-01	360.000
1928-04-01	373.700
1928-05-01	393.800
1928-06-01	405.700
1928-07-01	395.800
1928-08-01	395.600
1928-09-01	378.500
1928-10-01	370.100
1928-11-01	376.000
1928-12-01	385.900
1929-01-01	387.900
1929-02-01	375.100
1929-03-01	350.900
1929-04-01	355.900
1929-05-01	364.600
1929-06-01	362.400
1929-07-01	355.000
1929-08-01	359.500
1929-09-01	358.300
1929-10-01	353.100
1929-11-01	363.700
1929-12-01	367.100
1930-01-01	375.600
1930-02-01	374.000
1930-03-01	391.100
1930-04-01	411.800
1930-05-01	426.800
1930-06-01	433.700
1930-07-01	419.500
1930-08-01	421.200
1930-09-01	421.200
1930-10-01	419.700
1930-11-01	419.300
1930-12-01	425.200
1931-01-01	409.300
1931-02-01	408.400
1931-03-01	410.600
1931-04-01	414.100
1931-05-01	416.100
1931-06-01	415.700
1931-07-01	413.000
1931-08-01	408.300
1931-09-01	406.100
1931-10-01	397.000
1931-11-01	437.900
1931-12-01	433.400
1932-01-01	424.400
1932-02-01	414.300
1932-03-01	420.600
1932-04-01	408.000
1932-05-01	420.500
1932-06-01	430.500
1932-07-01	408.300
1932-08-01	403.500
1932-09-01	381.700
1932-10-01	359.800
1932-11-01	366.700
1932-12-01	364.000
1933-01-01	353.700
1933-02-01	355.500
1933-03-01	358.100
1933-04-01	351.200
1933-05-01	368.200
1933-06-01	355.000
1933-07-01	342.800
1933-08-01	347.300
1933-09-01	331.600
1933-10-01	331.600
1933-11-01	347.300
1933-12-01	340.800