Month	Thousands Of Short Tons
1919-01-01	183.000
1919-02-01	162.000
1919-03-01	172.000
1919-04-01	181.000
1919-05-01	181.000
1919-06-01	177.000
1919-07-01	179.000
1919-08-01	182.000
1919-09-01	191.000
1919-10-01	200.000
1919-11-01	192.000
1919-12-01	194.000
1920-01-01	199.000
1920-02-01	167.000
1920-03-01	204.000
1920-04-01	209.000
1920-05-01	201.000
1920-06-01	203.000
1920-07-01	212.000
1920-08-01	201.000
1920-09-01	194.000
1920-10-01	196.000
1920-11-01	198.000
1920-12-01	189.000
1921-01-01	183.000
1921-02-01	157.000
1921-03-01	169.000
1921-04-01	188.000
1921-05-01	133.000
1921-06-01	148.000
1921-07-01	162.000
1921-08-01	175.000
1921-09-01	164.000
1921-10-01	188.000
1921-11-01	177.000
1921-12-01	186.000
1922-01-01	187.000
1922-02-01	178.000
1922-03-01	206.000
1922-04-01	199.000
1922-05-01	226.000
1922-06-01	223.000
1922-07-01	209.000
1922-08-01	232.000
1922-09-01	219.000
1922-10-01	228.000
1922-11-01	225.000
1922-12-01	220.000
1923-01-01	224.000
1923-02-01	208.000
1923-03-01	241.000
1923-04-01	223.000
1923-05-01	251.000
1923-06-01	245.000
1923-07-01	229.000
1923-08-01	243.000
1923-09-01	214.000
1923-10-01	240.000
1923-11-01	231.000
1923-12-01	223.000
1924-01-01	237.000
1924-02-01	231.000
1924-03-01	234.000
1924-04-01	246.000
1924-05-01	254.000
1924-06-01	241.000
1924-07-01	233.000
1924-08-01	234.000
1924-09-01	228.000
1924-10-01	247.000
1924-11-01	238.000
1924-12-01	238.000
1925-01-01	250.000
1925-02-01	231.000
1925-03-01	251.000
1925-04-01	256.000
1925-05-01	256.000
1925-06-01	254.000
1925-07-01	242.000
1925-08-01	241.000
1925-09-01	253.000
1925-10-01	282.000
1925-11-01	266.000
1925-12-01	278.000
1926-01-01	279.000
1926-02-01	268.000
1926-03-01	300.000
1926-04-01	302.000
1926-05-01	298.000
1926-06-01	306.000
1926-07-01	308.000
1926-08-01	300.000
1926-09-01	303.000
1926-10-01	318.000
1926-11-01	312.000
1926-12-01	302.000
1927-01-01	290.000
1927-02-01	264.000
1927-03-01	298.000
1927-04-01	297.000
1927-05-01	298.000
1927-06-01	291.000
1927-07-01	279.000
1927-08-01	304.000
1927-09-01	291.000
1927-10-01	306.000
1927-11-01	304.000
1927-12-01	305.000
1928-01-01	302.000
1928-02-01	297.000
1928-03-01	305.000
1928-04-01	311.000
1928-05-01	327.000
1928-06-01	307.000
1928-07-01	295.000
1928-08-01	312.000
1928-09-01	305.000
1928-10-01	344.000
1928-11-01	357.000
1928-12-01	330.000
1929-01-01	328.000
1929-02-01	295.000
1929-03-01	339.000
1929-04-01	342.000
1929-05-01	373.000
1929-06-01	338.000
1929-07-01	337.000
1929-08-01	343.000
1929-09-01	334.000
1929-10-01	375.000
1929-11-01	370.000
1929-12-01	351.000
1930-01-01	327.000
1930-02-01	288.000
1930-03-01	319.000
1930-04-01	331.000
1930-05-01	354.000
1930-06-01	319.000
1930-07-01	314.000
1930-08-01	298.000
1930-09-01	292.000
1930-10-01	325.000
1930-11-01	308.000
1930-12-01	288.000
1931-01-01	284.000
1931-02-01	254.000
1931-03-01	290.000
1931-04-01	309.000
1931-05-01	306.000
1931-06-01	297.000
1931-07-01	274.000
1931-08-01	256.000
1931-09-01	270.000
1931-10-01	293.000
1931-11-01	268.000
1931-12-01	260.000
1932-01-01	264.000
1932-02-01	235.000
1932-03-01	258.000
1932-04-01	279.000
1932-05-01	259.000
1932-06-01	248.000
1932-07-01	222.000
1932-08-01	232.000
1932-09-01	226.000
1932-10-01	236.000
1932-11-01	252.000
1932-12-01	220.000
1933-01-01	205.000
1933-02-01	188.000
1933-03-01	218.000
1933-04-01	237.000
1933-05-01	242.000
1933-06-01	261.000
1933-07-01	267.000
1933-08-01	280.000
1933-09-01	260.000
1933-10-01	274.000
1933-11-01	289.000
1933-12-01	254.000
1934-01-01	267.000
1934-02-01	239.000
1934-03-01	293.000
1934-04-01	303.000
1934-05-01	328.000
1934-06-01	305.000
1934-07-01	270.000
1934-08-01	301.000
1934-09-01	267.000
1934-10-01	310.000
1934-11-01	341.000
1934-12-01	341.000
1935-01-01	256.000
1935-02-01	230.000
1935-03-01	273.000
1935-04-01	314.000
1935-05-01	336.000
1935-06-01	305.000
1935-07-01	298.000
1935-08-01	300.000
1935-09-01	298.000
1935-10-01	349.000
1935-11-01	366.000
1935-12-01	345.000
1936-01-01	265.000
1936-02-01	287.000
1936-03-01	321.000
1936-04-01	333.000
1936-05-01	355.000
1936-06-01	323.000
1936-07-01	337.000
1936-08-01	354.000
1936-09-01	344.000
1936-10-01	398.000
1936-11-01	391.000
1936-12-01	456.000
1937-01-01	329.000
1937-02-01	308.000
1937-03-01	369.000
1937-04-01	394.000
1937-05-01	382.000
1937-06-01	380.000
1937-07-01	373.000
1937-08-01	402.000
1937-09-01	375.000
1937-10-01	410.000
1937-11-01	441.000
1937-12-01	433.000
1938-01-01	232.000
1938-02-01	225.000
1938-03-01	249.000
1938-04-01	272.000
1938-05-01	259.000
1938-06-01	275.000
1938-07-01	275.000
1938-08-01	271.000
1938-09-01	305.000
1938-10-01	327.000
1938-11-01	341.000
1938-12-01	303.000
1939-01-01	275.000
1939-02-01	250.000
1939-03-01	287.000
1939-04-01	292.000
1939-05-01	359.000
1939-06-01	317.000
1939-07-01	297.000
1939-08-01	303.000
1939-09-01	346.000
1939-10-01	369.000
1939-11-01	369.000
1939-12-01	343.000
1940-01-01	325.000
1940-02-01	291.000
1940-03-01	322.000
1940-04-01	353.000
1940-05-01	423.000
1940-06-01	424.000
1940-07-01	424.000
1940-08-01	414.000
1940-09-01	362.000
1940-10-01	377.000
1940-11-01	374.000
1940-12-01	360.000
1941-01-01	328.000
1941-02-01	321.000
1941-03-01	351.000
1941-04-01	377.000
1941-05-01	383.000
1941-06-01	367.000
1941-07-01	385.000
1941-08-01	378.000
1941-09-01	385.000
1941-10-01	392.000
1941-11-01	405.000
1941-12-01	403.000
1942-01-01	373.000
1942-02-01	340.000
1942-03-01	390.000
1942-04-01	320.000
1942-05-01	343.000
1942-06-01	332.000
1942-07-01	320.000
1942-08-01	335.000
1942-09-01	376.000
1942-10-01	381.000
1942-11-01	331.000
1942-12-01	319.000
1943-01-01	285.000
1943-02-01	283.000
1943-03-01	320.000
1943-04-01	314.000
1943-05-01	325.000
1943-06-01	341.000
1943-07-01	352.000
1943-08-01	326.000
1943-09-01	308.000
1943-10-01	325.000
1943-11-01	328.000
1943-12-01	306.000
1944-01-01	271.000
1944-02-01	281.000
1944-03-01	293.000
1944-04-01	313.000
1944-05-01	338.000
1944-06-01	329.000
1944-07-01	310.000
1944-08-01	336.000
1944-09-01	314.000
1944-10-01	326.000
1944-11-01	321.000
1944-12-01	292.000
1945-01-01	292.000
1945-02-01	276.000
1945-03-01	333.000
1945-04-01	323.000
1945-05-01	328.000
1945-06-01	315.000
1945-07-01	340.000
1945-08-01	362.000
1945-09-01	337.000
1945-10-01	368.000
1945-11-01	360.000
1945-12-01	325.000
1946-01-01	382.000
1946-02-01	344.000
1946-03-01	388.000
1946-04-01	416.000
1946-05-01	433.000
1946-06-01	384.000
1946-07-01	425.000
1946-08-01	424.000
1946-09-01	391.000
1946-10-01	454.000
1946-11-01	453.000
1946-12-01	402.000
1947-01-01	414.000
1947-02-01	385.000
1947-03-01	443.000
1947-04-01	450.000
1947-05-01	472.000
1947-06-01	442.000
1947-07-01	448.000
1947-08-01	457.000
1947-09-01	450.000
1947-10-01	463.000
1947-11-01	460.000
1947-12-01	439.000
1948-01-01	415.000
1948-02-01	391.000
1948-03-01	447.000
1948-04-01	450.000
1948-05-01	469.000
1948-06-01	456.000
1948-07-01	448.000
1948-08-01	468.000
1948-09-01	457.000
1948-10-01	466.000
1948-11-01	478.000
1948-12-01	480.000