Month	Dollars Per Short Ton
1906-01-01	1.10000
1906-02-01	1.09000
1906-03-01	1.27000
1906-04-01	1.46000
1906-05-01	1.21000
1906-06-01	1.14000
1906-07-01	1.06000
1906-08-01	1.11000
1906-09-01	1.15000
1906-10-01	1.29000
1906-11-01	1.30000
1906-12-01	1.32000
1907-01-01	1.28000
1907-02-01	1.21000
1907-03-01	1.14000
1907-04-01	1.12000
1907-05-01	1.11000
1907-06-01	1.10000
1907-07-01	1.10000
1907-08-01	1.13000
1907-09-01	1.20000
1907-10-01	1.30000
1907-11-01	1.29000
1907-12-01	1.15000
1908-01-01	1.09000
1908-02-01	1.07000
1908-03-01	1.05000
1908-04-01	1.05000
1908-05-01	1.03000
1908-06-01	1.03000
1908-07-01	1.02000
1908-08-01	1.04000
1908-09-01	1.06000
1908-10-01	1.05000
1908-11-01	1.05000
1908-12-01	1.04000
1909-01-01	1.06000
1909-02-01	1.05000
1909-03-01	1.04000
1909-04-01	1.05000
1909-05-01	1.03000
1909-06-01	1.02000
1909-07-01	1.00000
1909-08-01	1.00000
1909-09-01	1.01000
1909-10-01	1.04000
1909-11-01	1.09000
1909-12-01	1.09000
1910-01-01	1.24000
1910-02-01	1.23000
1910-03-01	1.25000
1910-04-01	1.26000
1910-05-01	1.19000
1910-06-01	1.18000
1910-07-01	1.18000
1910-08-01	1.20000
1910-09-01	1.32000
1910-10-01	1.27000
1910-11-01	1.23000
1910-12-01	1.22000
1911-01-01	1.16000
1911-02-01	1.11000
1911-03-01	1.08000
1911-04-01	1.06000
1911-05-01	1.05000
1911-06-01	1.05000
1911-07-01	1.03000
1911-08-01	1.02000
1911-09-01	1.03000
1911-10-01	1.04000
1911-11-01	1.09000
1911-12-01	1.09000
1912-01-01	1.14000
1912-02-01	1.22000
1912-03-01	1.64000
1912-04-01	1.30000
1912-05-01	1.11000
1912-06-01	1.09000
1912-07-01	1.04000
1912-08-01	1.05000
1912-09-01	1.09000
1912-10-01	1.21000
1912-11-01	1.30000
1912-12-01	1.29000
1913-01-01	1.46000
1913-02-01	1.22000
1913-03-01	1.17000
1913-04-01	1.17000
1913-05-01	1.15000
1913-06-01	1.14000
1913-07-01	1.18000
1913-08-01	1.22000
1913-09-01	1.23000
1913-10-01	1.29000
1913-11-01	1.31000
1913-12-01	1.26000
1914-01-01	1.21000
1914-02-01	1.16000
1914-03-01	1.17000
1914-04-01	1.16000
1914-05-01	1.16000
1914-06-01	1.12000
1914-07-01	1.12000
1914-08-01	1.13000
1914-09-01	1.11000
1914-10-01	1.13000
1914-11-01	1.10000
1914-12-01	1.11000
1915-01-01	1.13000
1915-02-01	1.12000
1915-03-01	1.09000
1915-04-01	1.08000
1915-05-01	1.07000
1915-06-01	1.07000
1915-07-01	1.05000
1915-08-01	1.07000
1915-09-01	1.10000
1915-10-01	1.12000
1915-11-01	1.17000
1915-12-01	1.33000
1916-01-01	1.53000
1916-02-01	1.40000
1916-03-01	1.27000
1916-04-01	1.24000
1916-05-01	1.21000
1916-06-01	1.26000
1916-07-01	1.22000
1916-08-01	1.30000
1916-09-01	1.57000
1916-10-01	2.26000
1916-11-01	3.87000
1916-12-01	4.01000
1917-01-01	4.15000
1917-02-01	4.18000
1917-03-01	3.89000
1917-04-01	3.21000
1917-05-01	4.14000
1917-06-01	4.00000
1917-07-01	3.17000
1917-08-01	3.24000
1917-09-01	2.02000
1917-10-01	2.02000
1917-11-01	2.48000
1917-12-01	2.48000
1918-01-01	2.48000
1918-02-01	2.53000
1918-03-01	2.58000
1918-04-01	2.64000
1918-05-01	2.67000
1918-06-01	2.57000
1918-07-01	2.58000
1918-08-01	2.58000
1918-09-01	2.58000
1918-10-01	2.58000
1918-11-01	2.58000
1918-12-01	2.58000
1919-01-01	2.57000
1919-02-01	2.49000
1919-03-01	2.47000
1919-04-01	2.43000
1919-05-01	2.38000
1919-06-01	2.40000
1919-07-01	2.47000
1919-08-01	2.76000
1919-09-01	2.91000
1919-10-01	3.09000
1919-11-01	2.57000
1919-12-01	2.58000
1920-01-01	2.57000
1920-02-01	2.58000
1920-03-01	2.58000
1920-04-01	3.85000
1920-05-01	4.59000
1920-06-01	7.18000
1920-07-01	8.24000
1920-08-01	9.51000
1920-09-01	8.52000
1920-10-01	7.78000
1920-11-01	5.87000
1920-12-01	4.38000
1921-01-01	3.26000
1921-02-01	2.77000
1921-03-01	2.63000
1921-04-01	2.62000
1921-05-01	2.68000
1921-06-01	2.52000
1921-07-01	2.40000
1921-08-01	2.42000
1921-09-01	2.37000
1921-10-01	2.33000
1921-11-01	2.35000
1921-12-01	2.26000
1922-01-01	2.25000
1922-02-01	2.20000
1922-03-01	2.12000
1922-04-01	2.24000
1922-05-01	3.11000
1922-06-01	3.31000
1922-07-01	4.67000
1922-08-01	6.13000
1922-09-01	5.08000
1922-10-01	4.48000
1922-11-01	4.11000
1922-12-01	4.05000
1923-01-01	4.38000
1923-02-01	3.59000
1923-03-01	3.20000
1923-04-01	2.84000
1923-05-01	2.68000
1923-06-01	2.56000
1923-07-01	2.40000
1923-08-01	2.39000
1923-09-01	2.46000
1923-10-01	2.28000
1923-11-01	2.25000
1923-12-01	2.18000
1924-01-01	2.21000
1924-02-01	2.25000
1924-03-01	2.15000
1924-04-01	2.07000
1924-05-01	2.04000
1924-06-01	2.03000
1924-07-01	1.98000
1924-08-01	1.99000
1924-09-01	2.02000
1924-10-01	2.10000
1924-11-01	2.06000
1924-12-01	2.06000
1925-01-01	2.10000
1925-02-01	2.04000
1925-03-01	1.99000
1925-04-01	1.95000
1925-05-01	1.97000
1925-06-01	1.95000
1925-07-01	1.93000
1925-08-01	2.04000
1925-09-01	2.18000
1925-10-01	2.13000
1925-11-01	2.26000
1925-12-01	2.19000
1926-01-01	2.18000
1926-02-01	2.09000
1926-03-01	2.01000
1926-04-01	1.92000
1926-05-01	1.93000
1926-06-01	1.90000
1926-07-01	1.91000
1926-08-01	2.00000
1926-09-01	2.15000
1926-10-01	2.70000
1926-11-01	3.19000
1926-12-01	2.53000
1927-01-01	2.34000
1927-02-01	2.11000
1927-03-01	2.06000
1927-04-01	1.93000
1927-05-01	1.87000
1927-06-01	1.85000
1927-07-01	1.87000
1927-08-01	2.06000
1927-09-01	2.07000
1927-10-01	1.96000
1927-11-01	1.90000
1927-12-01	1.90000
1928-01-01	1.85000
1928-02-01	1.86000
1928-03-01	1.91000
1928-04-01	1.74000
1928-05-01	1.73000
1928-06-01	1.73000
1928-07-01	1.71000
1928-08-01	1.74000
1928-09-01	1.81000
1928-10-01	1.83000
1928-11-01	1.85000
1928-12-01	1.85000
1929-01-01	1.85000
1929-02-01	1.86000
1929-03-01	1.78000
1929-04-01	1.69000
1929-05-01	1.68000
1929-06-01	1.67000
1929-07-01	1.70000
1929-08-01	1.77000
1929-09-01	1.83000
1929-10-01	1.90000
1929-11-01	1.88000
1929-12-01	1.87000
1930-01-01	1.88000
1930-02-01	1.81000
1930-03-01	1.75000
1930-04-01	1.71000
1930-05-01	1.68000
1930-06-01	1.68000
1930-07-01	1.70000
1930-08-01	1.68000
1930-09-01	1.75000
1930-10-01	1.80000
1930-11-01	1.78000
1930-12-01	1.78000