Month Dollars Per Hundred Pounds 1901-01-01 4.08000 1901-02-01 4.10000 1901-03-01 4.60000 1901-04-01 4.72000 1901-05-01 4.22000 1901-06-01 3.68000 1901-07-01 3.52000 1901-08-01 3.45000 1901-09-01 3.32000 1901-10-01 3.30000 1901-11-01 3.18000 1901-12-01 3.45000 1902-01-01 4.18000 1902-02-01 4.70000 1902-03-01 4.70000 1902-04-01 5.65000 1902-05-01 5.70000 1902-06-01 4.20000 1902-07-01 3.72000 1902-08-01 3.55000 1902-09-01 3.38000 1902-10-01 3.35000 1902-11-01 3.32000 1902-12-01 3.65000 1903-01-01 4.12000 1903-02-01 4.65000 1903-03-01 5.40000 1903-04-01 5.05000 1903-05-01 4.82000 1903-06-01 4.20000 1903-07-01 3.48000 1903-08-01 3.22000 1903-09-01 3.18000 1903-10-01 3.18000 1903-11-01 3.05000 1903-12-01 3.20000 1904-01-01 3.95000 1904-02-01 4.05000 1904-03-01 4.50000 1904-04-01 4.98000 1904-05-01 5.10000 1904-06-01 4.45000 1904-07-01 3.85000 1904-08-01 3.65000 1904-09-01 3.50000 1904-10-01 3.65000 1904-11-01 4.08000 1904-12-01 4.58000 1905-01-01 5.15000 1905-02-01 5.55000 1905-03-01 5.50000 1905-04-01 5.08000 1905-05-01 4.75000 1905-06-01 4.72000 1905-07-01 5.10000 1905-08-01 4.95000 1905-09-01 4.72000 1905-10-01 5.10000 1905-11-01 5.10000 1905-12-01 5.25000 1906-01-01 5.40000 1906-02-01 5.12000 1906-03-01 5.28000 1906-04-01 5.35000 1906-05-01 5.55000 1906-06-01 5.45000 1906-07-01 5.25000 1906-08-01 4.98000 1906-09-01 5.15000 1906-10-01 4.90000 1906-11-01 5.05000 1906-12-01 5.08000 1907-01-01 5.15000 1907-02-01 5.20000 1907-03-01 5.50000 1907-04-01 5.65000 1907-05-01 5.78000 1907-06-01 5.90000 1907-07-01 5.32000 1907-08-01 5.32000 1907-09-01 5.18000 1907-10-01 4.82000 1907-11-01 4.38000 1907-12-01 4.18000 1908-01-01 4.80000 1908-02-01 5.10000 1908-03-01 5.90000 1908-04-01 5.70000 1908-05-01 5.40000 1908-06-01 4.65000 1908-07-01 4.05000 1908-08-01 3.80000 1908-09-01 3.75000 1908-10-01 4.05000 1908-11-01 4.20000 1908-12-01 4.30000 1909-01-01 4.90000 1909-02-01 5.00000 1909-03-01 5.25000 1909-04-01 5.65000 1909-05-01 6.15000 1909-06-01 5.30000 1909-07-01 4.70000 1909-08-01 4.60000 1909-09-01 4.65000 1909-10-01 4.30000 1909-11-01 4.55000 1909-12-01 4.85000 1910-01-01 5.55000 1910-02-01 6.50000 1910-03-01 7.60000 1910-04-01 7.60000 1910-05-01 6.55000 1910-06-01 5.10000 1910-07-01 4.20000 1910-08-01 4.20000 1910-09-01 4.25000 1910-10-01 3.95000 1910-11-01 3.70000 1910-12-01 3.90000 1911-01-01 4.10000 1911-02-01 4.15000 1911-03-01 4.70000 1911-04-01 4.20000 1911-05-01 4.45000 1911-06-01 3.80000 1911-07-01 3.95000 1911-08-01 3.50000 1911-09-01 3.80000 1911-10-01 3.65000 1911-11-01 3.45000 1911-12-01 3.55000 1912-01-01 4.30000 1912-02-01 4.15000 1912-03-01 5.30000 1912-04-01 5.90000 1912-05-01 6.15000 1912-06-01 4.50000 1912-07-01 4.25000 1912-08-01 4.05000 1912-09-01 4.15000 1912-10-01 4.00000 1912-11-01 4.05000 1912-12-01 4.45000 1913-01-01 5.35000 1913-02-01 5.90000 1913-03-01 6.40000 1913-04-01 6.45000 1913-05-01 5.85000 1913-06-01 5.05000 1913-07-01 4.50000 1913-08-01 4.35000 1913-09-01 4.30000 1913-10-01 4.55000 1913-11-01 4.60000 1913-12-01 4.95000 1914-01-01 5.50000 1914-02-01 5.70000 1914-03-01 5.95000 1914-04-01 6.25000 1914-05-01 5.65000 1914-06-01 5.10000 1914-07-01 5.40000 1914-08-01 5.55000 1914-09-01 5.30000 1914-10-01 5.20000 1914-11-01 5.65000 1914-12-01 5.40000 1915-01-01 5.80000 1915-02-01 6.45000 1915-03-01 7.45000 1915-04-01 7.70000 1915-05-01 7.35000 1915-06-01 5.50000 1915-07-01 6.05000 1915-08-01 6.25000 1915-09-01 5.75000 1915-10-01 6.00000 1915-11-01 5.85000 1915-12-01 6.20000 1916-01-01 7.20000 1916-02-01 7.75000 1916-03-01 8.25000 1916-04-01 8.15000 1916-05-01 8.20000 1916-06-01 7.35000 1916-07-01 7.25000 1916-08-01 7.35000 1916-09-01 7.80000 1916-10-01 7.50000 1916-11-01 8.00000 1916-12-01 9.00000 1917-01-01 10.0000 1917-02-01 11.2500 1917-03-01 11.7000 1917-04-01 12.1000 1917-05-01 13.0000 1917-06-01 10.0000 1917-07-01 9.10000 1917-08-01 9.75000 1917-09-01 11.1500 1917-10-01 11.6500 1917-11-01 11.2500 1917-12-01 11.5000 1918-01-01 12.2000 1918-02-01 12.3500 1918-03-01 13.6000 1918-04-01 15.6500 1918-05-01 14.7500 1918-06-01 13.4000 1918-07-01 12.6500 1918-08-01 13.1500 1918-09-01 11.8000 1918-10-01 10.4500 1918-11-01 9.85000 1918-12-01 9.40000 1919-01-01 10.3500 1919-02-01 11.3500 1919-03-01 14.0500 1919-04-01 14.5000 1919-05-01 12.2500 1919-06-01 9.30000 1919-07-01 9.70000 1919-08-01 9.75000 1919-09-01 8.30000 1919-10-01 8.15000 1919-11-01 8.30000 1919-12-01 9.60000 1920-01-01 11.8000 1920-02-01 13.3500 1920-03-01 13.4000 1920-04-01 14.2500 1920-05-01 12.2500 1920-06-01 8.50000 1920-07-01 8.90000 1920-08-01 7.70000 1920-09-01 6.85000 1920-10-01 6.45000 1920-11-01 5.75000 1920-12-01 4.70000 1921-01-01 5.07000 1921-02-01 4.90000 1921-03-01 6.14000 1921-04-01 6.58000 1921-05-01 6.33000 1921-06-01 4.46000 1921-07-01 5.08000 1921-08-01 4.53000 1921-09-01 4.49000 1921-10-01 4.71000 1921-11-01 4.40000 1921-12-01 4.92000 1922-01-01 7.26000 1922-02-01 8.28000 1922-03-01 9.17000 1922-04-01 9.33000 1922-05-01 7.35000 1922-06-01 5.59000 1922-07-01 6.12000 1922-08-01 5.63000 1922-09-01 6.05000 1922-10-01 6.25000 1922-11-01 7.48000 1922-12-01 7.28000 1923-01-01 7.72000 1923-02-01 8.08000 1923-03-01 8.64000 1923-04-01 8.90000 1923-05-01 6.74000 1923-06-01 5.00000 1923-07-01 5.16000 1923-08-01 7.09000 1923-09-01 7.25000 1923-10-01 6.35000 1923-11-01 6.89000 1923-12-01 7.37000 1924-01-01 8.16000 1924-02-01 9.12000 1924-03-01 10.5000 1924-04-01 10.2100 1924-05-01 8.11000 1924-06-01 5.82000 1924-07-01 5.66000 1924-08-01 6.18000 1924-09-01 5.46000 1924-10-01 6.60000 1924-11-01 6.62000 1924-12-01 8.45000 1925-01-01 10.3300 1925-02-01 9.69000 1925-03-01 9.22000 1925-04-01 7.84000 1925-05-01 7.96000 1925-06-01 6.25000 1925-07-01 7.48000 1925-08-01 6.83000 1925-09-01 6.95000 1925-10-01 7.64000 1925-11-01 8.16000 1925-12-01 9.57000 1926-01-01 9.72000 1926-02-01 9.18000 1926-03-01 8.82000 1926-04-01 8.87000 1926-05-01 7.97000 1926-06-01 5.85000 1926-07-01 5.97000 1926-08-01 6.50000 1926-09-01 6.25000 1926-10-01 6.12000 1926-11-01 5.88000 1926-12-01 5.86000 1927-01-01 6.94000 1927-02-01 8.03000 1927-03-01 8.88000 1927-04-01 9.62000 1927-05-01 7.44000 1927-06-01 5.88000 1927-07-01 6.25000 1927-08-01 6.47000 1927-09-01 6.14000 1927-10-01 6.00000 1927-11-01 6.40000 1927-12-01 6.41000 1928-01-01 7.03000 1928-02-01 8.96000 1928-03-01 9.47000 1928-04-01 10.1600 1928-05-01 8.53000 1928-06-01 6.12000 1928-07-01 6.28000 1928-08-01 6.72000 1928-09-01 6.34000 1928-10-01 6.18000 1928-11-01 5.84000 1928-12-01 7.03000 1929-01-01 9.32000 1929-02-01 8.78000 1929-03-01 9.72000 1929-04-01 10.3400 1929-05-01 6.78000 1929-06-01 6.28000 1929-07-01 5.85000 1929-08-01 5.34000 1929-09-01 4.56000 1929-10-01 4.70000 1929-11-01 5.38000 1929-12-01 5.41000 1930-01-01 6.50000 1930-02-01 5.53000 1930-03-01 5.59000 1930-04-01 5.66000 1930-05-01 5.31000 1930-06-01 3.38000 1930-07-01 3.12000 1930-08-01 3.53000 1930-09-01 3.50000 1930-10-01 3.10000 1930-11-01 3.34000 1930-12-01 3.22000 1931-01-01 3.97000 1931-02-01 4.25000 1931-03-01 4.54000 1931-04-01 3.90000 1931-05-01 2.78000 1931-06-01 1.62000 1931-07-01 2.50000 1931-08-01 2.03000 1931-09-01 1.58000 1931-10-01 1.94000 1931-11-01 2.16000 1931-12-01 2.18000 1932-01-01 2.62000 1932-02-01 3.25000 1932-03-01 3.75000 1932-04-01 3.06000 1932-05-01 1.41000 1932-06-01 1.65000 1932-07-01 1.66000 1932-08-01 1.92000 1932-09-01 1.62000 1932-10-01 1.59000 1932-11-01 1.82000 1932-12-01 2.08000 1933-01-01 2.30000 1933-02-01 2.34000 1933-03-01 2.48000 1933-04-01 2.38000 1933-05-01 2.51000 1933-06-01 2.34000 1933-07-01 2.09000 1933-08-01 2.25000 1933-09-01 2.14000 1933-10-01 2.03000 1933-11-01 2.18000 1933-12-01 2.55000 1934-01-01 3.42000 1934-02-01 4.41000 1934-03-01 5.06000 1934-04-01 5.06000 1934-05-01 2.65000 1934-06-01 1.59000 1934-07-01 1.88000 1934-08-01 2.34000 1934-09-01 2.17000 1934-10-01 1.90000 1934-11-01 2.09000 1934-12-01 2.84000 1935-01-01 4.30000 1935-02-01 4.75000 1935-03-01 4.51000 1935-04-01 4.44000 1935-05-01 3.57000 1935-06-01 2.56000 1935-07-01 2.65000 1935-08-01 2.81000 1935-09-01 3.25000 1935-10-01 3.72000 1935-11-01 4.54000 1935-12-01 4.73000 1936-01-01 4.92000 1936-02-01 4.78000 1936-03-01 5.19000 1936-04-01 5.52000 1936-05-01 4.22000 1936-06-01 3.28000 1936-07-01 3.48000 1936-08-01 2.84000 1936-09-01 3.18000 1936-10-01 3.09000 1936-11-01 3.53000 1936-12-01 3.95000 1937-01-01 5.34000 1937-02-01 5.51000 1937-03-01 6.45000 1937-04-01 6.19000 1937-05-01 5.22000 1937-06-01 3.65000 1937-07-01 4.03000 1937-08-01 4.29000 1937-09-01 3.85000 1937-10-01 3.84000 1937-11-01 3.81000 1937-12-01 3.86000 1938-01-01 3.96000 1938-02-01 3.96000 1938-03-01 4.78000 1938-04-01 5.08000 1938-05-01 3.88000 1938-06-01 3.18000 1938-07-01 3.19000 1938-08-01 3.32000 1938-09-01 3.06000 1938-10-01 3.08000 1938-11-01 3.58000 1938-12-01 3.96000 1939-01-01 4.21000 1939-02-01 4.53000 1939-03-01 5.04000 1939-04-01 5.48000 1939-05-01 3.68000 1939-06-01 2.66000 1939-07-01 2.94000 1939-08-01 2.95000 1939-09-01 3.31000 1939-10-01 3.59000 1939-11-01 4.00000 1939-12-01 4.19000 1940-01-01 4.62000 1940-02-01 4.96000 1940-03-01 5.42000 1940-04-01 5.26000 1940-05-01 3.41000 1940-06-01 3.12000 1940-07-01 2.65000 1940-08-01 3.00000 1940-09-01 3.28000 1940-10-01 3.69000 1940-11-01 3.74000 1940-12-01 3.66000 1941-01-01 4.90000 1941-02-01 5.14000 1941-03-01 6.50000 1941-04-01 6.22000 1941-05-01 5.42000 1941-06-01 3.97000 1941-07-01 4.18000