Month Thousands Of Short Tons 1919-01-01 172.000 1919-02-01 222.300 1919-03-01 270.000 1919-04-01 303.600 1919-05-01 314.500 1919-06-01 321.200 1919-07-01 329.400 1919-08-01 306.000 1919-09-01 303.300 1919-10-01 333.700 1919-11-01 348.500 1919-12-01 350.700 1920-01-01 337.000 1920-02-01 323.300 1920-03-01 290.000 1920-04-01 282.300 1920-05-01 250.700 1920-06-01 223.900 1920-07-01 210.400 1920-08-01 213.400 1920-09-01 236.300 1920-10-01 268.400 1920-11-01 285.500 1920-12-01 320.700 1921-01-01 347.000 1921-02-01 360.000 1921-03-01 366.100 1921-04-01 373.600 1921-05-01 367.900 1921-06-01 364.200 1921-07-01 354.400 1921-08-01 340.900 1921-09-01 325.300 1921-10-01 307.300 1921-11-01 281.300 1921-12-01 268.000 1922-01-01 260.000 1922-02-01 247.700 1922-03-01 230.700 1922-04-01 216.800 1922-05-01 206.200 1922-06-01 183.700 1922-07-01 165.900 1922-08-01 158.300 1922-09-01 156.200 1922-10-01 140.900 1922-11-01 142.700 1922-12-01 149.400 1923-01-01 134.200 1923-02-01 125.500 1923-03-01 114.300 1923-04-01 104.800 1923-05-01 102.400 1923-06-01 98.8000 1923-07-01 106.800 1923-08-01 106.800 1923-09-01 126.500 1923-10-01 137.100 1923-11-01 132.000 1923-12-01 155.900 1924-01-01 160.200 1924-02-01 145.600 1924-03-01 119.500 1924-04-01 110.400 1924-05-01 113.000 1924-06-01 112.200 1924-07-01 126.900 1924-08-01 128.300 1924-09-01 136.800 1924-12-01 136.400 1925-03-01 122.300 1925-06-01 91.3000 1925-07-01 88.0000 1925-08-01 77.3000 1925-09-01 69.0000 1925-10-01 72.9000 1925-11-01 67.8000 1925-12-01 73.1000 1926-01-01 81.7000 1926-02-01 86.4000 1926-03-01 75.2000 1926-04-01 72.6000 1926-05-01 69.4000 1926-06-01 66.1000 1926-07-01 64.9000 1926-08-01 66.7000 1926-09-01 70.1000 1926-10-01 68.2000 1926-11-01 73.9000 1926-12-01 85.5000 1927-01-01 94.0000 1927-02-01 105.400 1927-03-01 103.100 1927-04-01 99.3000 1927-05-01 108.100 1927-06-01 96.4000 1927-07-01 104.400 1927-08-01 93.7000 1927-09-01 86.5000 1927-10-01 83.9000 1927-11-01 90.9000 1927-12-01 95.3000 1928-01-01 96.5000 1928-02-01 86.9000 1928-03-01 87.3000 1928-04-01 72.9000 1928-05-01 66.3000 1928-06-01 58.8000 1928-07-01 54.9000 1928-08-01 54.8000 1928-09-01 51.8000 1928-10-01 45.6000 1928-11-01 52.2000 1928-12-01 65.5000 1929-01-01 62.7000 1929-02-01 55.2000 1929-03-01 53.0000 1929-04-01 57.5000 1929-05-01 70.4000 1929-06-01 83.1000 1929-07-01 97.7000 1929-08-01 104.400 1929-09-01 94.8000 1929-10-01 88.4000 1929-11-01 126.900 1929-12-01 171.300 1930-01-01 203.400 1930-02-01 233.100 1930-03-01 256.000 1930-04-01 301.300 1930-05-01 308.600 1930-06-01 316.800 1930-07-01 322.000 1930-08-01 347.700 1930-09-01 360.600 1930-10-01 364.900 1930-11-01 369.800 1930-12-01 367.200 1931-01-01 363.800 1931-02-01 363.600 1931-03-01 354.200 1931-04-01 367.900 1931-05-01 398.700 1931-06-01 413.500 1931-07-01 440.400 1931-08-01 455.800 1931-09-01 479.900 1931-10-01 498.000 1931-11-01 521.100 1931-12-01 544.300 1932-01-01 539.400 1932-02-01 536.100 1932-03-01 532.600 1932-04-01 537.200 1932-05-01 549.000 1932-06-01 554.300 1932-07-01 569.700 1932-08-01 573.000 1932-09-01 563.700 1932-10-01 558.200 1932-11-01 561.500 1932-12-01 572.800 1933-01-01 572.200 1933-02-01 577.800 1933-03-01 579.000 1933-04-01 578.200 1933-05-01 564.600 1933-06-01 539.100 1933-07-01 513.000 1933-08-01 492.400 1933-09-01 484.500 1933-10-01 477.900 1933-11-01 470.700 1933-12-01 470.500 1934-01-01 470.400 1934-02-01 461.200 1934-03-01 443.500 1934-04-01 421.300 1934-05-01 401.200 1934-06-01 375.200 1934-07-01 361.300 1934-08-01 358.000 1934-09-01 362.800 1934-10-01 360.100 1934-11-01 342.500 1934-12-01 350.800 1935-01-01 342.000 1935-02-01 322.800 1935-03-01 318.000 1935-04-01 311.200 1935-05-01 319.300 1935-06-01 321.200 1935-07-01 318.100 1935-08-01 292.000 1935-09-01 274.700 1935-10-01 250.500 1935-11-01 242.800 1935-12-01 254.800 1936-01-01 256.500 1936-02-01 256.500 1936-03-01 257.600 1936-04-01 252.400 1936-05-01 247.900 1936-06-01 238.500 1936-07-01 230.700 1936-08-01 216.600 1936-09-01 189.500 1936-10-01 169.200 1936-11-01 154.800 1936-12-01 154.200 1937-01-01 138.400 1937-02-01 119.000 1937-03-01 107.700 1937-04-01 93.2000 1937-05-01 104.000 1937-06-01 112.900 1937-07-01 113.600 1937-08-01 134.300 1937-09-01 150.300 1937-10-01 186.200 1937-11-01 215.600 1937-12-01 250.600 1938-01-01 290.400 1938-02-01 311.800 1938-03-01 326.100 1938-04-01 336.000 1938-05-01 337.400 1938-06-01 327.100 1938-07-01 312.200 1938-08-01 284.400 1938-09-01 259.900 1938-10-01 237.100 1938-11-01 233.100 1938-12-01 256.600