Month	Cents Per Pound
1898-01-01	3.75000
1898-02-01	3.79000
1898-03-01	4.00000
1898-04-01	4.00000
1898-05-01	3.95000
1898-06-01	4.65000
1898-07-01	4.51000
1898-08-01	4.35000
1898-09-01	4.62000
1898-10-01	4.61000
1898-11-01	5.09000
1898-12-01	5.13000
1899-01-01	4.90000
1899-02-01	5.68000
1899-03-01	5.99000
1899-04-01	6.25000
1899-05-01	6.72000
1899-06-01	6.02000
1899-07-01	5.79000
1899-08-01	5.55000
1899-09-01	5.40000
1899-10-01	5.37000
1899-11-01	4.64000
1899-12-01	4.68000
1900-01-01	4.55000
1900-02-01	4.69000
1900-03-01	4.60000
1900-04-01	4.71000
1900-05-01	4.52000
1900-06-01	4.27000
1900-07-01	4.24000
1900-08-01	4.17000
1900-09-01	4.10000
1900-10-01	4.10000
1900-11-01	4.20000
1900-12-01	4.19000
1901-01-01	4.08000
1901-02-01	3.94000
1901-03-01	3.89000
1901-04-01	3.94000
1901-05-01	3.97000
1901-06-01	3.95000
1901-07-01	3.90000
1901-08-01	3.92000
1901-09-01	4.02000
1901-10-01	4.20000
1901-11-01	4.32000
1901-12-01	4.35000
1902-01-01	4.28000
1902-02-01	4.18000
1902-03-01	4.29000
1902-04-01	4.41000
1902-05-01	4.50000
1902-06-01	4.88000
1902-07-01	5.23000
1902-08-01	5.46000
1902-09-01	5.45000
1902-10-01	5.48000
1902-11-01	5.29000
1902-12-01	4.91000
1903-01-01	4.82000
1903-02-01	5.00000
1903-03-01	5.36000
1903-04-01	5.65000
1903-05-01	5.75000
1903-06-01	6.00000
1903-07-01	5.95000
1903-08-01	5.94000
1903-09-01	6.00000
1903-10-01	6.05000
1903-11-01	5.68000
1903-12-01	5.15000
1904-01-01	4.95000
1904-02-01	4.95000
1904-03-01	5.05000
1904-04-01	5.22000
1904-05-01	5.14000
1904-06-01	4.79000
1904-07-01	4.85000
1904-08-01	4.85000
1904-09-01	5.06000
1904-10-01	5.17000
1904-11-01	5.49000
1904-12-01	5.80000
1905-01-01	6.17000
1905-02-01	6.12000
1905-03-01	6.06000
1905-04-01	5.97000
1905-05-01	5.55000
1905-06-01	5.32000
1905-07-01	5.38000
1905-08-01	5.66000
1905-09-01	5.83000
1905-10-01	6.05000
1905-11-01	6.17000
1905-12-01	6.50000
1906-01-01	6.48000
1906-02-01	6.09000
1906-03-01	5.96000
1906-04-01	6.05000
1906-05-01	5.95000
1906-06-01	6.14000
1906-07-01	5.98000
1906-08-01	6.06000
1906-09-01	6.19000
1906-10-01	6.18000
1906-11-01	6.36000
1906-12-01	6.62000
1907-01-01	6.90000
1907-02-01	7.00000
1907-03-01	6.92000
1907-04-01	6.81000
1907-05-01	6.51000
1907-06-01	6.45000
1907-07-01	6.15000
1907-08-01	5.71000
1907-09-01	5.28000
1907-10-01	5.45000
1907-11-01	5.10000
1907-12-01	4.39000
1908-01-01	4.54000
1908-02-01	4.78000
1908-03-01	4.76000
1908-04-01	4.68000
1908-05-01	4.60000
1908-06-01	4.56000
1908-07-01	4.46000
1908-08-01	4.71000
1908-09-01	4.76000
1908-10-01	4.81000
1908-11-01	5.03000
1908-12-01	5.17000
1909-01-01	5.15000
1909-02-01	4.99000
1909-03-01	4.81000
1909-04-01	4.94000
1909-05-01	5.12000
1909-06-01	5.39000
1909-07-01	5.35000
1909-08-01	5.74000
1909-09-01	5.85000
1909-10-01	6.09000
1909-11-01	6.32000
1909-12-01	6.35000
1910-01-01	6.26000
1910-02-01	5.89000
1910-03-01	5.72000
1910-04-01	5.60000
1910-05-01	5.20000
1910-06-01	5.19000
1910-07-01	5.20000
1910-08-01	5.26000
1910-09-01	5.53000
1910-10-01	5.69000
1910-11-01	5.95000
1910-12-01	5.80000
1911-01-01	5.55000
1911-02-01	5.56000
1911-03-01	5.65000
1911-04-01	5.51000
1911-05-01	5.50000
1911-06-01	5.63000
1911-07-01	5.79000
1911-08-01	6.04000
1911-09-01	6.03000
1911-10-01	6.20000
1911-11-01	6.60000
1911-12-01	6.44000
1912-01-01	6.52000
1912-02-01	6.71000
1912-03-01	6.98000
1912-04-01	6.86000
1912-05-01	6.86000
1912-06-01	6.99000
1912-07-01	7.26000
1912-08-01	7.19000
1912-09-01	7.53000
1912-10-01	7.57000
1912-11-01	7.48000
1912-12-01	7.33000
1913-01-01	7.15000
1913-02-01	6.45000
1913-03-01	6.26000
1913-04-01	5.77000
1913-05-01	5.47000
1913-06-01	5.18000
1913-07-01	5.38000
1913-08-01	5.75000
1913-09-01	5.82000
1913-10-01	5.42000
1913-11-01	5.29000
1913-12-01	5.18000
1914-01-01	5.29000
1914-02-01	5.40000
1914-03-01	5.28000
1914-04-01	5.18000
1914-05-01	5.06000
1914-06-01	5.09000
1914-07-01	5.02000
1914-08-01	5.60000
1914-09-01	5.50000
1914-10-01	4.97000
1914-11-01	5.12000
1914-12-01	5.71000
1915-01-01	6.59000
1915-02-01	8.84000
1915-03-01	9.29000
1915-04-01	11.2200
1915-05-01	16.1400
1915-06-01	22.1800
1915-07-01	20.5800
1915-08-01	14.1100
1915-09-01	14.1600
1915-10-01	13.9600
1915-11-01	17.1500
1915-12-01	16.6900
1916-01-01	18.1900
1916-02-01	20.1300
1916-03-01	18.4000
1916-04-01	18.5900
1916-05-01	15.8600
1916-06-01	12.7500
1916-07-01	9.83000
1916-08-01	8.98000
1916-09-01	8.22000
1916-10-01	9.98000
1916-11-01	11.9000
1916-12-01	11.1300
1917-01-01	9.94000
1917-02-01	10.4800
1917-03-01	10.7700
1917-04-01	9.85000
1917-05-01	9.46000
1917-06-01	9.62000
1917-07-01	8.95000
1917-08-01	8.69000
1917-09-01	8.34000
1917-10-01	8.24000
1917-11-01	7.95000
1917-12-01	7.84000
1918-01-01	7.88000
1918-02-01	7.99000
1918-03-01	7.64000
1918-04-01	7.01000
1918-05-01	7.32000
1918-06-01	8.01000
1918-07-01	8.69000
1918-08-01	8.96000
1918-09-01	9.60000
1918-10-01	9.11000
1918-11-01	8.70000
1918-12-01	8.45000
1919-01-01	7.38000
1919-02-01	6.70000
1919-03-01	6.52000
1919-04-01	6.51000
1919-05-01	6.46000
1919-06-01	6.93000
1919-07-01	7.90000
1919-08-01	7.84000
1919-09-01	7.57000
1919-10-01	7.83000
1919-11-01	8.14000
1919-12-01	8.59000
1920-01-01	9.62000
1920-02-01	9.14000
1920-03-01	8.93000
1920-04-01	8.63000
1920-05-01	8.08000
1920-06-01	7.92000
1920-07-01	8.18000
1920-08-01	8.31000
1920-09-01	7.82000
1920-10-01	7.51000
1920-11-01	6.84000
1920-12-01	6.00000
1921-01-01	5.83000
1921-02-01	5.36000
1921-03-01	5.20000
1921-04-01	5.24000
1921-05-01	5.28000
1921-06-01	4.95000
1921-07-01	4.77000
1921-08-01	4.69000
1921-09-01	4.74000
1921-10-01	5.10000
1921-11-01	5.18000
1921-12-01	5.25000
1922-01-01	5.06000
1922-02-01	4.85000
1922-03-01	5.00000
1922-04-01	5.25000
1922-05-01	5.45000
1922-06-01	5.69000
1922-07-01	6.12000
1922-08-01	6.59000
1922-09-01	6.91000
1922-10-01	7.20000
1922-11-01	7.48000
1922-12-01	7.46000
1923-01-01	7.28000
1923-02-01	7.58000
1923-03-01	8.19000
1923-04-01	7.65000
1923-05-01	6.99000
1923-06-01	6.40000
1923-07-01	6.43000
1923-08-01	6.68000
1923-09-01	6.81000
1923-10-01	6.66000
1923-11-01	6.70000
1923-12-01	6.60000
1924-01-01	6.78000
1924-02-01	7.11000
1924-03-01	6.85000
1924-04-01	6.49000
1924-05-01	6.13000
1924-06-01	6.14000
1924-07-01	6.25000
1924-08-01	6.53000
1924-09-01	6.54000
1924-10-01	6.67000
1924-11-01	7.14000
1924-12-01	7.73000
1925-01-01	8.10000
1925-02-01	7.86000
1925-03-01	7.68000
1925-04-01	7.35000
1925-05-01	7.30000
1925-06-01	7.35000
1925-07-01	7.60000
1925-08-01	7.55000
1925-09-01	8.12000
1925-10-01	8.65000
1925-11-01	9.04000
1925-12-01	8.97000
1926-01-01	8.75000
1926-02-01	8.16000
1926-03-01	7.69000
1926-04-01	7.36000
1926-05-01	7.16000
1926-06-01	7.47000
1926-07-01	7.76000
1926-08-01	7.69000
1926-09-01	7.76000
1926-10-01	7.66000
1926-11-01	7.56000
1926-12-01	7.39000
1927-01-01	7.03000
1927-02-01	7.04000
1927-03-01	7.06000
1927-04-01	6.69000
1927-05-01	6.43000
1927-06-01	6.57000
1927-07-01	6.58000
1927-08-01	6.70000
1927-09-01	6.56000
1927-10-01	6.35000
1927-11-01	6.09000
1927-12-01	6.15000
1928-01-01	6.00000
1928-02-01	5.90000
1928-03-01	5.98000
1928-04-01	6.11000
1928-05-01	6.37000
1928-06-01	6.50000
1928-07-01	6.55000
1928-08-01	6.59000
1928-09-01	6.60000
1928-10-01	6.60000
1928-11-01	6.62000
1928-12-01	6.70000
1929-01-01	6.70000
1929-02-01	6.70000
1929-03-01	6.80000
1929-04-01	7.04000
1929-05-01	6.98000
1929-06-01	7.00000
1929-07-01	7.10000
1929-08-01	7.15000
1929-09-01	7.15000
1929-10-01	7.09000
1929-11-01	6.63000
1929-12-01	6.09000
1930-01-01	5.59000
1930-02-01	4.53000
1930-03-01	5.30000
1930-04-01	5.19000
1930-05-01	4.98000
1930-06-01	4.79000
1930-07-01	4.66000
1930-08-01	4.72000
1930-09-01	4.62000
1930-10-01	4.40000
1930-11-01	4.63000
1930-12-01	4.43000
1931-01-01	4.37000
1931-02-01	4.36000
1931-03-01	4.30000
1931-04-01	4.06000
1931-05-01	3.66000
1931-06-01	3.75000
1931-07-01	4.25000
1931-08-01	4.17000
1931-09-01	4.09000
1931-10-01	3.73000
1931-11-01	3.55000
1931-12-01	3.50000
1932-01-01	3.38000
1932-02-01	3.19000
1932-03-01	3.16000
1932-04-01	3.10000
1932-05-01	2.90000
1932-06-01	3.16000
1932-07-01	2.92000
1932-08-01	3.13000
1932-09-01	3.68000
1932-10-01	3.41000
1932-11-01	3.46000
1932-12-01	3.50000
1933-01-01	3.38000
1933-02-01	3.04000
1933-03-01	3.37000
1933-04-01	3.68000
1933-05-01	4.17000
1933-06-01	4.70000
1933-07-01	5.24000
1933-08-01	5.28000
1933-09-01	5.08000
1933-10-01	5.12000
1933-11-01	4.87000
1933-12-01	4.82000
1934-01-01	4.62000
1934-02-01	4.73000
1934-03-01	4.72000
1934-04-01	4.72000
1934-05-01	4.71000
1934-06-01	4.59000
1934-07-01	4.68000
1934-08-01	4.63000
1934-09-01	4.43000
1934-10-01	4.19000
1934-11-01	4.08000
1934-12-01	4.06000
1935-01-01	4.08000
1935-02-01	4.06000
1935-03-01	4.25000
1935-04-01	4.38000
1935-05-01	4.60000
1935-06-01	4.67000
1935-07-01	4.70000
1935-08-01	4.92000
1935-09-01	5.04000
1935-10-01	5.21000
1935-11-01	5.23000
1935-12-01	5.23000
1936-01-01	5.22000
1936-02-01	5.23000
1936-03-01	5.27000
1936-04-01	5.27000
1936-05-01	5.27000
1936-06-01	5.26000
1936-07-01	5.16000
1936-08-01	5.17000
1936-09-01	5.22000
1936-10-01	5.22000
1936-11-01	5.35000
1936-12-01	5.64000
1937-01-01	6.20000
1937-02-01	6.80000
1937-03-01	7.75000
1937-04-01	7.70000
1937-05-01	7.10000
1937-06-01	7.10000
1937-07-01	7.27000
1937-08-01	7.56000
1937-09-01	7.54000
1937-10-01	6.45000
1937-11-01	5.98000
1937-12-01	5.36000
1938-01-01	5.35000
1938-02-01	5.17000
1938-03-01	4.77000
1938-04-01	4.53000
1938-05-01	4.43000
1938-06-01	4.53000
1938-07-01	5.14000
1938-08-01	5.14000
1938-09-01	5.24000
1938-10-01	5.40000
1938-11-01	5.12000
1938-12-01	4.89000
1939-01-01	4.89000
1939-02-01	4.89000
1939-03-01	4.89000
1939-04-01	4.89000
1939-05-01	4.89000
1939-06-01	4.89000
1939-07-01	4.91000
1939-08-01	5.11000
1939-09-01	6.51000
1939-10-01	6.89000
1939-11-01	6.89000
1939-12-01	6.46000
1940-01-01	6.03000
1940-02-01	5.93000
1940-03-01	6.14000
1940-04-01	6.14000
1940-05-01	6.20000
1940-06-01	6.63000
1940-07-01	6.64000
1940-08-01	6.79000
1940-09-01	7.33000
1940-10-01	7.64000
1940-11-01	7.64000
1940-12-01	7.65000
1941-01-01	7.65000
1941-02-01	7.65000
1941-03-01	7.65000
1941-04-01	7.65000
1941-05-01	7.65000
1941-06-01	7.65000
1941-07-01	7.65000
1941-08-01	7.65000
1941-09-01	7.65000
1941-10-01	8.36000
1941-11-01	8.65000
1941-12-01	8.65000
1942-01-01	8.65000
1942-02-01	8.65000
1942-03-01	8.65000
1942-04-01	8.65000
1942-05-01	8.65000
1942-06-01	8.65000
1942-07-01	8.65000
1942-08-01	8.65000
1942-09-01	8.65000
1942-10-01	8.65000
1942-11-01	8.65000
1942-12-01	8.67000
1943-01-01	8.67000
1943-02-01	8.67000
1943-03-01	8.67000
1943-04-01	8.67000
1943-05-01	8.67000
1943-06-01	8.67000
1943-07-01	8.67000
1943-08-01	8.67000
1943-09-01	8.67000
1943-10-01	8.67000
1943-11-01	8.67000
1943-12-01	8.67000
1944-01-01	8.67000
1944-02-01	8.67000
1944-03-01	8.67000
1944-04-01	8.67000
1944-05-01	8.67000
1944-06-01	8.67000
1944-07-01	8.67000
1944-08-01	8.67000
1944-09-01	8.67000
1944-10-01	8.67000
1944-11-01	8.65000
1944-12-01	8.65000
1945-01-01	8.65000
1945-02-01	8.65000
1945-03-01	8.65000
1945-04-01	8.65000
1945-05-01	8.65000
1945-06-01	8.65000
1945-07-01	8.65000
1945-08-01	8.65000
1945-09-01	8.65000
1945-10-01	8.65000
1945-11-01	8.65000
1945-12-01	8.65000
1946-01-01	8.65000
1946-02-01	8.65000
1946-03-01	8.65000
1946-04-01	8.65000
1946-05-01	8.65000
1946-06-01	8.65000
1946-07-01	8.69000
1946-08-01	8.69000
1946-09-01	8.69000
1946-10-01	9.28000
1946-11-01	10.8600
1946-12-01	10.9400
1947-01-01	11.0000
1947-02-01	11.0000
1947-03-01	11.0000
1947-04-01	11.0000
1947-05-01	11.0000
1947-06-01	11.0000
1947-07-01	11.0000
1947-08-01	11.0000
1947-09-01	11.0000
1947-10-01	11.0300
1947-11-01	11.0600
1947-12-01	11.0600
1948-01-01	11.6900
1948-02-01	12.6100
1948-03-01	12.6100
1948-04-01	12.6100
1948-05-01	12.6400
1948-06-01	12.6500
1948-07-01	13.0900
1948-08-01	15.6500
1948-09-01	15.6500
1948-10-01	15.7400
1948-11-01	17.2700
1948-12-01	18.1500
1949-01-01	18.1800
1949-02-01	18.2000
1949-03-01	17.7600
1949-04-01	14.7600
1949-05-01	12.5800
1949-06-01	10.2700
1949-07-01	10.0600
1949-08-01	10.7000
1949-09-01	10.7700
1949-10-01	10.0400
1949-11-01	10.4600
1949-12-01	10.4700
1950-01-01	9.48000
1950-02-01	10.4700
1950-03-01	10.6600
1950-04-01	11.4100
1950-05-01	12.7100
1950-06-01	15.4900
1950-07-01	15.7200
1950-08-01	15.7200
1950-09-01	17.8200
1950-10-01	18.2200
1950-11-01	18.2200
1950-12-01	18.2200
1951-01-01	18.2200
1951-02-01	18.2200
1951-03-01	18.2200
1951-04-01	18.2500
1951-05-01	18.2500
1951-06-01	18.2500
1951-07-01	18.2500
1951-08-01	18.2600
1951-09-01	18.2900
1951-10-01	20.2200
1951-11-01	20.2900
1951-12-01	20.2900
1952-01-01	20.2900
1952-02-01	20.2900
1952-03-01	20.2900
1952-04-01	20.2900
1952-05-01	20.3300
1952-06-01	16.5700
1952-07-01	15.8300
1952-08-01	14.8800
1952-09-01	14.8600
1952-10-01	14.0800
1952-11-01	13.3300
1952-12-01	13.3300
1953-01-01	13.4300
1953-02-01	12.3100
1953-03-01	11.8600
1953-04-01	11.8300
1953-05-01	11.8300
1953-06-01	11.8300
1953-07-01	11.6700
1953-08-01	11.5300
1953-09-01	10.6800
1953-10-01	10.5000
1953-11-01	10.5000
1953-12-01	10.5000
1954-01-01	10.2600
1954-02-01	9.88000
1954-03-01	10.1600
1954-04-01	10.7500
1954-05-01	10.7900
1954-06-01	11.4600
1954-07-01	11.5000
1954-08-01	11.5000
1954-09-01	11.9800
1954-10-01	12.0000
1954-11-01	12.0000
1954-12-01	12.0000
1955-01-01	12.0000
1955-02-01	12.0000
1955-03-01	12.0000
1955-04-01	12.4300
1955-05-01	12.5000
1955-06-01	12.7500
1955-07-01	13.0000
1955-08-01	13.0000
1955-09-01	13.4000
1955-10-01	13.5000
1955-11-01	13.5000
1955-12-01	13.5000
1956-01-01	13.9300
1956-02-01	14.0000
1956-03-01	14.0000
1956-04-01	14.0000
1956-05-01	14.0000
1956-06-01	14.0000
1956-07-01	14.0000
1956-08-01	14.0000
1956-09-01	14.0000
1956-10-01	14.0000
1956-11-01	14.0000
1956-12-01	14.0000
1957-01-01	14.0000
1957-02-01	14.0000
1957-03-01	14.0000
1957-04-01	14.0000
1957-05-01	12.4200
1957-06-01	11.3600
1957-07-01	10.5000
1957-08-01	10.5000
1957-09-01	10.5000
1957-10-01	10.5000
1957-11-01	10.5000
1957-12-01	10.5000
1958-01-01	10.5000
1958-02-01	10.5000
1958-03-01	10.5000
1958-04-01	10.5000