Month Thousands Of Short Tons 1938-01-01 558.000 1938-02-01 502.000 1938-03-01 438.000 1938-04-01 407.000 1938-05-01 377.000 1938-06-01 349.000 1938-07-01 343.000 1938-08-01 349.000 1938-09-01 336.000 1938-10-01 336.000 1938-11-01 336.000 1938-12-01 315.000 1939-01-01 304.000 1939-02-01 265.000 1939-03-01 256.000 1939-04-01 244.000 1939-05-01 268.000 1939-06-01 279.000 1939-07-01 296.000 1939-08-01 319.000 1939-09-01 331.000 1939-10-01 335.000 1939-11-01 346.000 1939-12-01 328.000 1940-01-01 329.000 1940-02-01 316.000 1940-03-01 285.000 1940-04-01 281.000 1940-05-01 290.000 1940-06-01 305.000 1940-07-01 363.000 1940-08-01 407.000 1940-09-01 410.000 1940-10-01 381.000 1940-11-01 367.000 1940-12-01 356.000 1941-01-01 336.000 1941-02-01 327.000 1941-03-01 297.000 1941-04-01 302.000 1941-05-01 304.000 1941-06-01 327.000 1941-07-01 361.000 1941-08-01 384.000 1941-09-01 388.000 1941-10-01 381.000 1941-11-01 387.000 1941-12-01 385.000 1942-01-01 413.000 1942-02-01 425.000 1942-03-01 416.000 1942-04-01 428.000 1942-05-01 424.000 1942-06-01 439.000 1942-07-01 454.000 1942-08-01 471.000 1942-09-01 508.000 1942-10-01 530.000 1942-11-01 508.000 1942-12-01 479.000 1943-01-01 458.000 1943-02-01 445.000 1943-03-01 432.000 1943-04-01 419.000 1943-05-01 398.000 1943-06-01 410.000 1943-07-01 441.000 1943-08-01 428.000 1943-09-01 418.000 1943-10-01 402.000 1943-11-01 394.000 1943-12-01 367.000 1944-01-01 351.000 1944-02-01 338.000 1944-03-01 315.000 1944-04-01 316.000 1944-05-01 326.000 1944-06-01 346.000 1944-07-01 370.000 1944-08-01 389.000 1944-09-01 397.000 1944-10-01 379.000 1944-11-01 374.000 1944-12-01 342.000 1945-01-01 323.000 1945-02-01 313.000 1945-03-01 299.000 1945-04-01 292.000 1945-05-01 284.000 1945-06-01 286.000 1945-07-01 310.000 1945-08-01 323.000 1945-09-01 314.000 1945-10-01 302.000 1945-11-01 294.000 1945-12-01 266.000 1946-01-01 277.000 1946-02-01 277.000 1946-03-01 253.000 1946-04-01 258.000 1946-05-01 269.000 1946-06-01 262.000 1946-07-01 288.000 1946-08-01 308.000 1946-09-01 301.000 1946-10-01 299.000 1946-11-01 297.000 1946-12-01 293.000 1947-01-01 307.000 1947-02-01 304.000 1947-03-01 280.000 1947-04-01 285.000 1947-05-01 278.000 1947-06-01 300.000 1947-07-01 347.000 1947-08-01 379.000 1947-09-01 390.000 1947-10-01 392.000 1947-11-01 369.000 1947-12-01 377.000 1948-01-01 384.000 1948-02-01 359.000 1948-03-01 350.000 1948-04-01 357.000 1948-05-01 371.000 1948-06-01 368.000 1948-07-01 418.000 1948-08-01 460.000 1948-09-01 472.000 1948-10-01 447.000 1948-11-01 437.000 1948-12-01 458.000 1949-01-01 481.000 1949-02-01 484.000 1949-03-01 475.000 1949-04-01 462.000 1949-05-01 444.000 1949-06-01 461.000 1949-07-01 493.000 1949-08-01 533.000 1949-09-01 530.000 1949-10-01 489.000 1949-11-01 466.000 1949-12-01 446.000 1950-01-01 442.000 1950-02-01 435.000 1950-03-01 405.000 1950-04-01 375.000 1950-05-01 383.000 1950-06-01 382.000 1950-07-01 433.000 1950-08-01 458.000 1950-09-01 467.000 1950-10-01 445.000 1950-11-01 433.000 1950-12-01 425.000 1951-01-01 440.000 1951-02-01 442.000 1951-03-01 445.000 1951-04-01 418.000 1951-05-01 419.000 1951-06-01 453.000 1951-07-01 500.000 1951-08-01 545.000 1951-09-01 527.000 1951-10-01 535.000 1951-11-01 543.000 1951-12-01 522.000 1952-01-01 550.000 1952-02-01 575.000 1952-03-01 556.000 1952-04-01 533.000 1952-05-01 522.000 1952-06-01 551.000 1952-07-01 608.000 1952-08-01 660.000 1952-09-01 660.000 1952-10-01 630.000 1952-11-01 619.000 1952-12-01 612.000 1953-01-01 646.000 1953-02-01 649.000 1953-03-01 605.000 1953-04-01 606.000 1953-05-01 553.000 1953-06-01 561.000 1953-07-01 596.000 1953-08-01 631.000 1953-09-01 626.000 1953-10-01 595.000 1953-11-01 552.000 1953-12-01 552.000 1954-01-01 559.000 1954-02-01 585.000 1954-03-01 581.000 1954-04-01 565.000 1954-05-01 519.000 1954-06-01 534.000 1954-07-01 553.000 1954-08-01 575.000 1954-09-01 555.000 1954-10-01 526.000 1954-11-01 522.000 1954-12-01 516.000 1955-01-01 549.000 1955-02-01 500.000 1955-03-01 466.000 1955-04-01 448.000 1955-05-01 427.000 1955-06-01 432.000 1955-07-01 442.000 1955-08-01 485.000 1955-09-01 466.000 1955-10-01 423.000 1955-11-01 408.000 1955-12-01 458.000 1956-01-01 472.000 1956-02-01 473.000