Month	Millions Of Long Tons
1917-01-01	5.11000
1917-02-01	4.97000
1917-03-01	4.96000
1917-04-01	4.66000
1917-05-01	4.95000
1917-06-01	4.70000
1917-07-01	4.67000
1917-08-01	4.62000
1917-09-01	4.83000
1917-10-01	4.76000
1917-11-01	4.82000
1917-12-01	4.34000
1918-01-01	4.71000
1918-02-01	4.78000
1918-03-01	4.69000
1918-04-01	4.42000
1918-05-01	4.26000
1918-06-01	4.32000
1918-07-01	3.97000
1918-08-01	4.23000
1918-09-01	4.46000
1918-10-01	4.45000
1918-11-01	4.25000
1918-12-01	3.98000
1919-01-01	4.45000
1919-02-01	4.87000
1919-03-01	4.67000
1919-04-01	4.40000
1919-05-01	4.83000
1919-06-01	4.36000
1919-07-01	3.93000
1919-08-01	3.68000
1919-09-01	4.48000
1919-10-01	4.22000
1919-11-01	4.75000
1919-12-01	4.29000
1920-01-01	4.79000
1920-02-01	4.86000
1920-03-01	4.70000
1920-04-01	4.43000
1920-05-01	4.39000
1920-06-01	4.76000
1920-07-01	4.55000
1920-08-01	4.24000
1920-09-01	4.72000
1920-10-01	2.34000
1920-11-01	3.98000
1920-12-01	4.70000
1921-01-01	4.64000
1921-02-01	4.34000
1921-03-01	3.68000
1921-04-01	0.600000E-01
1921-05-01	0.600000E-01
1921-06-01	0.600000E-01
1921-07-01	3.80000
1921-08-01	4.15000
1921-09-01	4.12000
1921-10-01	4.24000
1921-11-01	4.51000
1921-12-01	4.48000
1922-01-01	4.42000
1922-02-01	4.94000
1922-03-01	4.95000
1922-04-01	4.51000
1922-05-01	4.72000
1922-06-01	3.98000
1922-07-01	4.65000
1922-08-01	4.85000
1922-09-01	5.12000
1922-10-01	5.30000
1922-11-01	5.46000
1922-12-01	5.07000
1923-01-01	5.36000
1923-02-01	5.55000
1923-03-01	5.50000
1923-04-01	5.32000
1923-05-01	5.24000
1923-06-01	5.57000
1923-07-01	5.02000
1923-08-01	4.88000
1923-09-01	5.41000
1923-10-01	5.62000
1923-11-01	5.65000
1923-12-01	5.23000
1924-01-01	5.21000
1924-02-01	5.78000
1924-03-01	5.76000
1924-04-01	5.30000
1924-05-01	5.41000
1924-06-01	4.67000
1924-07-01	4.88000
1924-08-01	4.76000
1924-09-01	5.11000
1924-10-01	5.10000
1924-11-01	5.25000
1924-12-01	4.73000
1925-01-01	5.37000
1925-02-01	5.35000
1925-03-01	5.24000
1925-04-01	4.66000
1925-05-01	4.91000
1925-06-01	4.04000
1925-07-01	4.70000
1925-08-01	3.90000
1925-09-01	4.37000
1925-10-01	4.76000
1925-11-01	4.93000
1925-12-01	4.84000
1926-01-01	5.36000
1926-02-01	5.40000
1926-03-01	5.20000
1926-04-01	5.02000
1926-05-01	0.100000E-01
1926-06-01	0.500000E-01
1926-07-01	0.120000
1926-08-01	0.200000
1926-09-01	0.510000
1926-10-01	1.19000
1926-11-01	1.93000
1926-12-01	4.22000
1927-01-01	5.17000
1927-02-01	5.34000
1927-03-01	5.25000
1927-04-01	4.78000
1927-05-01	5.09000
1927-06-01	4.63000
1927-07-01	4.73000
1927-08-01	4.55000
1927-09-01	4.89000
1927-10-01	4.95000
1927-11-01	4.93000
1927-12-01	4.71000
1928-01-01	5.01000
1928-02-01	5.02000
1928-03-01	5.05000
1928-04-01	4.42000
1928-05-01	4.40000
1928-06-01	4.56000
1928-07-01	4.23000
1928-08-01	4.13000
1928-09-01	4.71000
1928-10-01	4.72000
1928-11-01	4.82000
1928-12-01	4.66000
1929-01-01	5.03000
1929-02-01	5.37000
1929-03-01	5.38000
1929-04-01	4.84000
1929-05-01	4.66000
1929-06-01	4.97000
1929-07-01	4.75000
1929-08-01	4.68000
1929-09-01	5.10000
1929-10-01	5.14000
1929-11-01	5.33000
1929-12-01	4.99000
1930-01-01	5.31000
1930-02-01	5.54000
1930-03-01	5.36000
1930-04-01	4.66000
1930-05-01	4.84000
1930-06-01	4.12000
1930-07-01	4.23000
1930-08-01	4.24000
1930-09-01	4.56000
1930-10-01	4.68000
1930-11-01	4.94000
1930-12-01	4.40000
1931-01-01	4.63000
1931-02-01	4.80000
1931-03-01	4.56000
1931-04-01	4.31000
1931-05-01	4.10000
1931-06-01	4.22000
1931-07-01	3.78000
1931-08-01	3.82000
1931-09-01	4.22000
1931-10-01	4.47000
1931-11-01	4.52000
1931-12-01	4.24000
1932-01-01	4.62000
1932-02-01	4.50000
1932-03-01	4.20000
1932-04-01	4.41000
1932-05-01	3.97000
1932-06-01	3.90000
1932-07-01	3.59000
1932-08-01	3.45000
1932-09-01	3.76000
1932-10-01	4.21000
1932-11-01	4.27000
1932-12-01	4.31000
1933-01-01	4.38000
1933-02-01	4.56000
1933-03-01	4.36000
1933-04-01	3.86000
1933-05-01	3.91000
1933-06-01	3.54000
1933-07-01	3.61000
1933-08-01	3.48000
1933-09-01	4.00000
1933-10-01	4.25000
1933-11-01	4.40000
1933-12-01	4.46000
1934-01-01	4.66000
1934-02-01	4.79000
1934-03-01	4.61000
1934-04-01	4.40000
1934-05-01	4.02000
1934-06-01	3.97000
1934-07-01	3.78000
1934-08-01	3.86000
1934-09-01	4.46000
1934-10-01	4.39000
1934-11-01	4.59000
1934-12-01	4.46000
1935-01-01	4.60000
1935-02-01	4.66000
1935-03-01	4.63000
1935-04-01	4.09000
1935-05-01	4.34000
1935-06-01	4.04000
1935-07-01	3.94000
1935-08-01	3.87000
1935-09-01	4.33000
1935-10-01	4.46000
1935-11-01	4.87000
1935-12-01	4.58000
1936-01-01	4.83000
1936-02-01	4.91000
1936-03-01	4.71000
1936-04-01	4.24000
1936-05-01	4.49000
1936-06-01	3.96000
1936-07-01	4.10000
1936-08-01	4.09000
1936-09-01	4.43000
1936-10-01	4.62000
1936-11-01	4.70000
1936-12-01	4.53000
1937-01-01	4.82000
1937-02-01	5.07000
1937-03-01	4.72000
1937-04-01	5.11000
1937-05-01	4.48000
1937-06-01	4.76000
1937-07-01	4.33000
1937-08-01	4.25000
1937-09-01	4.79000
1937-10-01	4.90000
1937-11-01	4.98000
1937-12-01	4.71000
1938-01-01	5.08000
1938-02-01	5.14000
1938-03-01	4.97000
1938-04-01	4.27000
1938-05-01	4.53000
1938-06-01	4.07000
1938-07-01	4.05000
1938-08-01	3.91000
1938-09-01	4.36000
1938-10-01	4.76000
1938-11-01	4.71000
1938-12-01	4.38000
1939-01-01	4.79000
1939-02-01	4.92000
1939-03-01	4.92000
1939-04-01	4.47000
1939-05-01	4.50000
1939-06-01	4.59000
1939-07-01	4.36000