Month Thousands Of Short Tons 1919-01-01 116.200 1919-02-01 78.1000 1919-03-01 75.8000 1919-04-01 92.8000 1919-05-01 114.300 1919-06-01 204.300 1919-07-01 226.100 1919-08-01 196.200 1919-09-01 172.500 1919-10-01 94.7000 1919-11-01 133.400 1919-12-01 202.000 1920-01-01 262.900 1920-02-01 174.400 1920-03-01 179.100 1920-04-01 114.500 1920-05-01 148.700 1920-06-01 233.400 1920-07-01 142.300 1920-08-01 138.900 1920-09-01 118.300 1920-10-01 77.3000 1920-11-01 51.1000 1920-12-01 48.9000 1921-01-01 47.8000 1921-02-01 38.1000 1921-03-01 60.1000 1921-04-01 91.4000 1921-05-01 64.5000 1921-06-01 44.1000 1921-07-01 56.9000 1921-08-01 88.5000 1921-09-01 139.300 1921-10-01 134.600 1921-11-01 88.9000 1921-12-01 49.7000 1922-01-01 72.9000 1922-02-01 103.100 1922-03-01 272.400 1922-04-01 264.600 1922-05-01 176.200 1922-06-01 268.000 1922-07-01 143.600 1922-08-01 175.500 1922-09-01 188.900 1922-10-01 208.900 1922-11-01 172.800 1922-12-01 399.600 1923-01-01 252.500 1923-02-01 253.200 1923-03-01 325.500 1923-04-01 183.900 1923-05-01 242.600 1923-06-01 172.600 1923-07-01 92.4000 1923-08-01 116.700 1923-09-01 223.600 1923-10-01 185.100 1923-11-01 165.500 1923-12-01 349.400 1924-01-01 234.900 1924-02-01 189.100 1924-03-01 251.500 1924-04-01 182.900 1924-05-01 126.500 1924-06-01 108.700 1924-07-01 136.000 1924-08-01 208.000 1924-09-01 227.500 1924-10-01 221.800 1924-11-01 462.700 1924-12-01 350.900 1925-01-01 241.000 1925-02-01 236.000 1925-03-01 263.700 1925-04-01 193.900 1925-05-01 186.500 1925-06-01 286.500 1925-07-01 252.900 1925-08-01 239.500 1925-09-01 286.000 1925-10-01 403.500 1925-11-01 370.400 1925-12-01 319.500 1926-01-01 253.300 1926-02-01 181.100 1926-03-01 304.200 1926-04-01 249.900 1926-05-01 201.700 1926-06-01 284.300 1926-07-01 352.400 1926-08-01 283.100 1926-09-01 448.100 1926-10-01 212.000 1926-11-01 185.200 1926-12-01 240.900 1927-01-01 261.400 1927-02-01 242.000 1927-03-01 345.900 1927-04-01 293.000 1927-05-01 212.300 1927-06-01 224.300 1927-07-01 230.700 1927-08-01 177.600 1927-09-01 258.400 1927-10-01 234.400 1927-11-01 344.500 1927-12-01 530.200 1928-01-01 302.900 1928-02-01 266.200 1928-03-01 399.400 1928-04-01 284.100 1928-05-01 250.300 1928-06-01 318.900 1928-07-01 333.400 1928-08-01 254.400 1928-09-01 370.900 1928-10-01 344.600 1928-11-01 346.000 1928-12-01 323.400 1929-01-01 438.400 1929-02-01 389.500 1929-03-01 464.300 1929-04-01 398.200 1929-05-01 279.800 1929-06-01 307.900 1929-07-01 337.200 1929-08-01 282.100 1929-09-01 274.600 1929-10-01 258.800 1929-11-01 134.400 1929-12-01 234.600 1930-01-01 382.200 1930-02-01 203.300 1930-03-01 299.800 1930-04-01 300.100 1930-05-01 204.600 1930-06-01 187.400 1930-07-01 207.400 1930-08-01 149.000 1930-09-01 214.500 1930-10-01 158.700 1930-11-01 135.700 1930-12-01 233.300 1931-01-01 180.900 1931-02-01 168.600 1931-03-01 236.300 1931-04-01 192.000 1931-05-01 148.600 1931-06-01 163.600 1931-07-01 144.500 1931-08-01 122.800 1931-09-01 120.700 1931-10-01 117.200 1931-11-01 102.900 1931-12-01 99.7000 1932-01-01 121.300 1932-02-01 108.400 1932-03-01 101.600 1932-04-01 103.000 1932-05-01 91.4000 1932-06-01 85.2000 1932-07-01 66.3000 1932-08-01 66.1000 1932-09-01 78.9000 1932-10-01 94.7000 1932-11-01 66.3000 1932-12-01 77.0000 1933-01-01 75.6000 1933-02-01 80.6000 1933-03-01 83.3000 1933-04-01 118.600 1933-05-01 144.200 1933-06-01 246.700 1933-07-01 174.200 1933-08-01 158.800 1933-09-01 145.300 1933-10-01 79.1000 1933-11-01 88.4000 1933-12-01 110.300 1934-01-01 209.500 1934-02-01 184.400 1934-03-01 158.200 1934-04-01 272.400 1934-05-01 246.300 1934-06-01 114.900 1934-07-01 72.5000 1934-08-01 66.1000 1934-09-01 77.1000 1934-10-01 102.900 1934-11-01 133.300 1934-12-01 193.100 1935-01-01 321.800 1935-02-01 183.300 1935-03-01 193.100 1935-04-01 168.100 1935-05-01 149.700 1935-06-01 129.000 1935-07-01 206.300 1935-08-01 207.100 1935-09-01 196.400 1935-10-01 226.200 1935-11-01 289.100 1935-12-01 203.300 1936-01-01 174.800 1936-02-01 138.200 1936-03-01 251.800 1936-04-01 190.300 1936-05-01 191.500 1936-06-01 261.400 1936-07-01 192.900 1936-08-01 207.800 1936-09-01 255.600 1936-10-01 223.200 1936-11-01 294.100 1936-12-01 336.800