Month Thousands Of Short Tons 1947-01-01 213.200 1947-02-01 200.100 1947-03-01 210.900 1947-04-01 207.100 1947-05-01 213.700 1947-06-01 222.300 1947-07-01 218.000 1947-08-01 213.400 1947-09-01 221.900 1947-10-01 217.000 1947-11-01 223.800 1947-12-01 218.000 1948-01-01 228.000 1948-02-01 226.900 1948-03-01 230.100 1948-04-01 236.200 1948-05-01 241.200 1948-06-01 255.700 1948-07-01 250.200 1948-08-01 263.400 1948-09-01 275.300 1948-10-01 278.600 1948-11-01 287.200 1948-12-01 295.300 1949-01-01 301.600 1949-02-01 304.600 1949-03-01 313.100 1949-04-01 315.100 1949-05-01 323.500 1949-06-01 333.400 1949-07-01 319.500 1949-08-01 323.000 1949-09-01 317.600 1949-10-01 315.900 1949-11-01 318.100 1949-12-01 312.800 1950-01-01 314.900 1950-02-01 313.600 1950-03-01 312.700 1950-04-01 309.200 1950-05-01 316.100 1950-06-01 312.200 1950-07-01 306.900 1950-08-01 295.900 1950-09-01 290.800 1950-10-01 283.700 1950-11-01 278.700 1950-12-01 262.600 1951-01-01 277.200 1951-02-01 283.500 1951-03-01 282.000 1951-04-01 279.300 1951-05-01 282.300 1951-06-01 290.200 1951-07-01 296.200 1951-08-01 297.800 1951-09-01 318.400 1951-10-01 317.900 1951-11-01 329.800 1951-12-01 333.200 1952-01-01 378.600 1952-02-01 392.300 1952-03-01 407.000 1952-04-01 411.900 1952-05-01 407.000 1952-06-01 414.400 1952-07-01 408.000 1952-08-01 417.700 1952-09-01 424.100 1952-10-01 418.900 1952-11-01 416.900 1952-12-01 414.100 1953-01-01 403.300 1953-02-01 404.800 1953-03-01 415.000 1953-04-01 422.100 1953-05-01 421.100 1953-06-01 420.100 1953-07-01 400.100 1953-08-01 401.800 1953-09-01 402.300 1953-10-01 398.900 1953-11-01 410.200 1953-12-01 414.900 1954-01-01 403.800 1954-02-01 417.300 1954-03-01 421.200 1954-04-01 419.600 1954-05-01 425.400 1954-06-01 422.200 1954-07-01 418.200 1954-08-01 430.200 1954-09-01 435.200 1954-10-01 441.500 1954-11-01 446.300 1954-12-01 441.500 1955-01-01 441.900