Month	Thousands Of Short Tons
1937-01-01	352.000
1937-02-01	319.000
1937-03-01	394.000
1937-04-01	422.000
1937-05-01	396.000
1937-06-01	417.000
1937-07-01	404.000
1937-08-01	430.000
1937-09-01	407.000
1937-10-01	451.000
1937-11-01	487.000
1937-12-01	496.000
1938-01-01	244.000
1938-02-01	239.000
1938-03-01	265.000
1938-04-01	286.000
1938-05-01	280.000
1938-06-01	295.000
1938-07-01	302.000
1938-08-01	291.000
1938-09-01	332.000
1938-10-01	355.000
1938-11-01	377.000
1938-12-01	331.000
1939-01-01	289.000
1939-02-01	262.000
1939-03-01	304.000
1939-04-01	308.000
1939-05-01	384.000
1939-06-01	337.000
1939-07-01	317.000
1939-08-01	349.000
1939-09-01	376.000
1939-10-01	385.000
1939-11-01	394.000
1939-12-01	362.000
1940-01-01	353.000
1940-02-01	314.000
1940-03-01	348.000
1940-04-01	382.000
1940-05-01	464.000
1940-06-01	462.000
1940-07-01	466.000
1940-08-01	436.000
1940-09-01	392.000
1940-10-01	404.000
1940-11-01	398.000
1940-12-01	398.000
1941-01-01	358.000
1941-02-01	341.000
1941-03-01	376.000
1941-04-01	408.000
1941-05-01	404.000
1941-06-01	395.000
1941-07-01	419.000
1941-08-01	409.000
1941-09-01	409.000
1941-10-01	431.000
1941-11-01	435.000
1941-12-01	439.000
1942-01-01	396.000
1942-02-01	356.000
1942-03-01	413.000
1942-04-01	346.000
1942-05-01	360.000
1942-06-01	357.000
1942-07-01	342.000
1942-08-01	361.000
1942-09-01	406.000
1942-10-01	408.000
1942-11-01	359.000
1942-12-01	336.000
1943-01-01	297.000
1943-02-01	299.000
1943-03-01	333.000
1943-04-01	335.000
1943-05-01	338.000
1943-06-01	372.000
1943-07-01	381.000
1943-08-01	353.000
1943-09-01	334.000
1943-10-01	335.000
1943-11-01	357.000
1943-12-01	341.000
1944-01-01	284.000
1944-02-01	297.000
1944-03-01	315.000
1944-04-01	337.000
1944-05-01	351.000
1944-06-01	360.000
1944-07-01	340.000
1944-08-01	348.000
1944-09-01	345.000
1944-10-01	359.000
1944-11-01	337.000
1944-12-01	323.000
1945-01-01	313.000
1945-02-01	300.000
1945-03-01	355.000
1945-04-01	340.000
1945-05-01	354.000
1945-06-01	355.000
1945-07-01	373.000
1945-08-01	395.000
1945-09-01	358.000
1945-10-01	391.000
1945-11-01	388.000
1945-12-01	357.000
1946-01-01	412.000
1946-02-01	364.000
1946-03-01	412.000
1946-04-01	447.000
1946-05-01	463.000
1946-06-01	416.000
1946-07-01	451.000
1946-08-01	461.000
1946-09-01	423.000
1946-10-01	477.000
1946-11-01	489.000
1946-12-01	443.000
1947-01-01	437.000
1947-02-01	407.000
1947-03-01	466.000
1947-04-01	481.000
1947-05-01	501.000
1947-06-01	491.000
1947-07-01	482.000
1947-08-01	488.000
1947-09-01	482.000
1947-10-01	501.000
1947-11-01	489.000
1947-12-01	481.000
1948-01-01	441.000
1948-02-01	409.000
1948-03-01	469.000
1948-04-01	478.000
1948-05-01	514.000
1948-06-01	495.000
1948-07-01	478.000
1948-08-01	494.000
1948-09-01	501.000
1948-10-01	493.000
1948-11-01	514.000
1948-12-01	516.000
1949-01-01	485.000
1949-02-01	455.000
1949-03-01	497.000
1949-04-01	503.000
1949-05-01	539.000
1949-06-01	526.000
1949-07-01	489.000
1949-08-01	512.000
1949-09-01	507.000
1949-10-01	508.000
1949-11-01	533.000
1949-12-01	507.000
1950-01-01	479.000
1950-02-01	448.000
1950-03-01	506.000
1950-04-01	511.000
1950-05-01	566.000
1950-06-01	531.000
1950-07-01	549.000
1950-08-01	511.000
1950-09-01	571.000
1950-10-01	558.000
1950-11-01	563.000
1950-12-01	537.000
1951-01-01	517.000
1951-02-01	486.000
1951-03-01	566.000
1951-04-01	534.000
1951-05-01	580.000
1951-06-01	572.000
1951-07-01	534.000
1951-08-01	581.000
1951-09-01	520.000
1951-10-01	595.000
1951-11-01	590.000
1951-12-01	553.000
1952-01-01	540.000
1952-02-01	538.000
1952-03-01	552.000
1952-04-01	562.000
1952-05-01	596.000
1952-06-01	592.000
1952-07-01	578.000
1952-08-01	588.000
1952-09-01	553.000
1952-10-01	584.000
1952-11-01	589.000
1952-12-01	546.000
1953-01-01	562.000
1953-02-01	492.000
1953-03-01	536.000
1953-04-01	588.000
1953-05-01	559.000
1953-06-01	576.000
1953-07-01	585.000
1953-08-01	591.000
1953-09-01	568.000
1953-10-01	603.000
1953-11-01	582.000
1953-12-01	579.000
1954-01-01	548.000
1954-02-01	524.000
1954-03-01	582.000
1954-04-01	592.000
1954-05-01	596.000
1954-06-01	620.000
1954-07-01	578.000
1954-08-01	617.000
1954-09-01	581.000
1954-10-01	649.000
1954-11-01	651.000
1954-12-01	618.000
1955-01-01	580.000
1955-02-01	575.000
1955-03-01	637.000
1955-04-01	662.000
1955-05-01	656.000
1955-06-01	677.000
1955-07-01	624.000