Month Thousands Of Net Tons 1919-01-01 114.300 1919-02-01 115.500 1919-03-01 120.500 1919-04-01 98.5000 1919-05-01 104.200 1919-06-01 104.100 1919-07-01 113.100 1919-08-01 120.200 1919-09-01 116.200 1919-10-01 105.100 1919-11-01 113.600 1919-12-01 153.000 1920-01-01 151.500 1920-02-01 157.700 1920-03-01 197.100 1920-04-01 133.900 1920-05-01 177.200 1920-06-01 189.000 1920-07-01 152.900 1920-08-01 176.600 1920-09-01 199.100 1920-10-01 197.600 1920-11-01 201.300 1920-12-01 132.000 1921-01-01 48.6000 1921-02-01 61.3000 1921-03-01 65.2000 1921-04-01 88.4000 1921-05-01 97.6000 1921-06-01 81.6000 1921-07-01 67.2000 1921-08-01 90.5000 1921-09-01 100.000 1921-10-01 130.400 1921-11-01 124.600 1921-12-01 97.0000 1922-01-01 80.0000 1922-02-01 110.100 1922-03-01 149.400 1922-04-01 177.900 1922-05-01 212.700 1922-06-01 203.000 1922-07-01 181.400 1922-08-01 215.200 1922-09-01 190.000 1922-10-01 223.900 1922-11-01 230.300 1922-12-01 216.300 1923-01-01 248.300 1923-02-01 217.800 1923-03-01 287.200 1923-04-01 253.600 1923-05-01 278.100 1923-06-01 233.100 1923-07-01 192.300 1923-08-01 234.500 1923-09-01 205.800 1923-10-01 230.800 1923-11-01 199.800 1923-12-01 188.600 1924-01-01 228.700 1924-02-01 249.900 1924-03-01 262.500 1924-04-01 236.000 1924-05-01 196.300 1924-06-01 141.200 1924-07-01 151.300 1924-08-01 177.500 1924-09-01 190.200 1924-10-01 229.800 1924-11-01 219.200 1924-12-01 229.600 1925-01-01 283.600 1925-02-01 255.100 1925-03-01 279.400 1925-04-01 263.200 1925-05-01 232.400 1925-06-01 231.000 1925-07-01 223.500 1925-08-01 243.200 1925-09-01 262.000 1925-10-01 332.200 1925-11-01 294.700 1925-12-01 293.600 1926-01-01 333.500 1926-02-01 290.000 1926-03-01 320.600 1926-04-01 288.800 1926-05-01 267.300 1926-06-01 262.200 1926-07-01 264.000 1926-08-01 281.600 1926-09-01 302.200 1926-10-01 301.500 1926-11-01 262.800 1926-12-01 219.500 1927-01-01 239.000 1927-02-01 261.400 1927-03-01 338.400 1927-04-01 300.900 1927-05-01 302.800 1927-06-01 281.400 1927-07-01 252.000 1927-08-01 266.700 1927-09-01 230.400 1927-10-01 232.600 1927-11-01 224.800 1927-12-01 221.700 1928-01-01 274.100 1928-02-01 298.400 1928-03-01 359.500 1928-04-01 327.700 1928-05-01 326.300 1928-06-01 308.700 1928-07-01 278.300 1928-08-01 324.700 1928-09-01 322.900 1928-10-01 354.900 1928-11-01 307.800 1928-12-01 296.700 1929-01-01 362.200 1929-02-01 325.800 1929-03-01 363.600 1929-04-01 377.300 1929-05-01 392.300 1929-06-01 348.000 1929-07-01 344.700 1929-08-01 365.600 1929-09-01 301.300 1929-10-01 291.100 1929-11-01 207.200 1929-12-01 178.600 1930-01-01 241.700 1930-02-01 241.400 1930-03-01 275.200 1930-04-01 291.600 1930-05-01 266.400 1930-06-01 212.900 1930-07-01 194.800 1930-08-01 205.800 1930-09-01 186.600 1930-10-01 193.500 1930-11-01 158.200 1930-12-01 144.000 1931-01-01 170.400 1931-02-01 179.100 1931-03-01 208.200 1931-04-01 211.100 1931-05-01 191.900 1931-06-01 156.200 1931-07-01 178.500 1931-08-01 151.500 1931-09-01 123.400 1931-10-01 129.400 1931-11-01 95.0000 1931-12-01 103.400 1932-01-01 113.000 1932-02-01 116.700 1932-03-01 117.700 1932-04-01 104.600 1932-05-01 106.900 1932-06-01 90.2000 1932-07-01 73.2000 1932-08-01 61.3000 1932-09-01 75.5000 1932-10-01 92.4000 1932-11-01 76.9000 1932-12-01 67.4000 1933-01-01 79.2000 1933-02-01 72.8000 1933-03-01 74.9000 1933-04-01 100.400 1933-05-01 119.200 1933-06-01 153.000 1933-07-01 174.100 1933-08-01 174.500 1933-09-01 163.600 1933-10-01 174.800 1933-11-01 99.5000 1933-12-01 111.900 1934-01-01 130.900 1934-02-01 146.900 1934-03-01 200.700 1934-04-01 184.000 1934-05-01 240.700 1934-06-01 301.800 1934-07-01 85.4000 1934-08-01 77.7000 1934-09-01 73.3000 1934-10-01 95.1000 1934-11-01 108.900 1934-12-01 141.600 1935-01-01 205.900 1935-02-01 201.100 1935-03-01 233.400 1935-04-01 202.400 1935-05-01 187.000 1935-06-01 160.800 1935-07-01 152.100 1935-08-01 180.900 1935-09-01 176.900 1935-10-01 220.500 1935-11-01 213.500 1935-12-01 195.100 1936-01-01 207.400 1936-02-01 175.700 1936-03-01 209.700 1936-04-01 252.400 1936-05-01 210.100 1936-06-01 203.900 1936-07-01 213.400 1936-08-01 197.200 1936-09-01 204.300 1936-10-01 223.900 1936-11-01 212.100 1936-12-01 244.400