Quarterly Millions Of Tons
1920-01-01 275.900
1920-04-01 299.700
1920-07-01 351.100
1920-10-01 328.900
1921-01-01 218.000
1921-04-01 223.600
1921-07-01 252.500
1921-10-01 246.500
1922-01-01 222.600
1922-04-01 218.500
1922-07-01 269.000
1922-10-01 313.000
1923-01-01 284.200
1923-04-01 326.600
1923-07-01 347.300
1923-10-01 319.200
1924-01-01 276.400
1924-04-01 277.300
1924-07-01 312.400
1924-10-01 320.500
1925-01-01 273.500
1925-04-01 303.800
1925-07-01 345.800
1925-10-01 323.800
1926-01-01 280.000
1926-04-01 323.500
1926-07-01 371.500
1926-10-01 360.600
1927-01-01 299.900
1927-04-01 319.000
1927-07-01 351.000
1927-10-01 312.500
1928-01-01 274.300
1928-04-01 308.400
1928-07-01 353.000
1928-10-01 346.500
1929-01-01 287.200
1929-04-01 334.900
1929-07-01 381.200
1929-10-01 335.800
1930-01-01 266.300
1930-04-01 297.500
1930-07-01 318.100
1930-10-01 271.200
1931-01-01 214.000
1931-04-01 229.500
1931-07-01 242.900
1931-10-01 207.800
1932-01-01 161.700
1932-04-01 145.100
1932-07-01 158.700
1932-10-01 180.700
1933-01-01 138.900
1933-04-01 158.300
1933-07-01 211.500
1933-10-01 190.200
1934-01-01 186.800
1934-04-01 192.900
1934-07-01 196.000
1934-10-01 189.700
1935-01-01 181.100
1935-04-01 189.000
1935-07-01 203.000
1935-10-01 216.500
1936-01-01 202.900
1936-04-01 225.000
1936-07-01 260.800
1936-10-01 270.200
1937-01-01 233.800
1937-04-01 263.200
1937-07-01 281.600
1937-10-01 237.100
1938-01-01 170.400
1938-04-01 171.100
1938-07-01 206.900
1938-10-01 224.100
1939-01-01 188.100
1939-04-01 191.600
1939-07-01 250.900
1939-10-01 271.100
1940-01-01 213.300
1940-04-01 238.800
1940-07-01 283.600
1940-10-01 273.600
1941-01-01 250.500
1941-04-01 292.600
1941-07-01 353.200
1941-10-01 331.400
1942-01-01 291.000
1942-04-01 362.900
1942-07-01 395.500
1942-10-01 371.900
1943-01-01 331.200