Month	Dollars Per Pound
1917-01-01	6.06000
1917-02-01	5.92000
1917-03-01	5.82000
1917-04-01	6.21000
1917-05-01	6.21000
1917-06-01	6.40000
1917-07-01	7.13000
1917-08-01	7.23000
1917-09-01	6.55000
1917-10-01	5.92000
1917-11-01	5.92000
1917-12-01	5.92000
1918-01-01	5.92000
1918-02-01	6.06000
1918-03-01	6.06000
1918-04-01	6.26000
1918-05-01	6.89000
1918-06-01	6.89000
1918-07-01	7.66000
1918-08-01	7.62000
1918-09-01	7.71000
1918-10-01	7.62000
1918-11-01	7.71000
1918-12-01	7.13000
1919-01-01	6.30000
1919-02-01	6.50000
1919-03-01	6.69000
1919-04-01	7.37000
1919-05-01	8.34000
1919-06-01	10.4800
1919-07-01	10.8200
1919-08-01	9.89000
1919-09-01	10.4300
1919-10-01	11.8800
1919-11-01	12.9000
1919-12-01	14.0600
1920-01-01	17.4600
1920-02-01	14.5500
1920-03-01	14.0600
1920-04-01	10.3800
1920-05-01	7.57000
1920-06-01	7.76000
1920-07-01	5.72000
1920-08-01	5.58000
1920-09-01	6.91000
1920-10-01	6.66000
1920-11-01	6.27000
1920-12-01	6.08000
1921-01-01	6.32000
1921-02-01	6.27000
1921-03-01	6.47000
1921-04-01	6.66000
1921-05-01	6.32000
1921-06-01	6.37000
1921-07-01	6.37000
1921-08-01	5.88000
1921-09-01	6.37000
1921-10-01	6.32000
1921-11-01	7.50000
1921-12-01	8.04000
1922-01-01	7.35000
1922-02-01	7.06000
1922-03-01	6.57000
1922-04-01	6.91000
1922-05-01	7.55000
1922-06-01	7.84000
1922-07-01	7.55000
1922-08-01	7.60000
1922-09-01	8.04000
1922-10-01	8.62000
1922-11-01	8.18000
1922-12-01	8.53000
1923-01-01	8.48000
1923-02-01	9.06000
1923-03-01	8.97000
1923-04-01	9.70000
1923-05-01	8.92000
1923-06-01	8.13000
1923-07-01	7.74000
1923-08-01	7.94000
1923-09-01	10.2900
1923-10-01	8.33000
1923-11-01	8.23000
1923-12-01	8.04000
1924-01-01	7.64000
1924-02-01	7.15000
1924-03-01	6.47000
1924-04-01	6.03000
1924-05-01	5.19000
1924-06-01	5.39000
1924-07-01	5.73000
1924-08-01	6.42000
1924-09-01	5.78000
1924-10-01	5.98000
1924-11-01	6.52000
1924-12-01	6.66000
1925-01-01	6.37000
1925-02-01	6.52000
1925-03-01	6.12000
1925-04-01	6.22000
1925-05-01	6.42000
1925-06-01	6.57000
1925-07-01	6.52000
1925-08-01	6.71000
1925-09-01	6.86000
1925-10-01	6.86000
1925-11-01	6.76000
1925-12-01	6.96000
1926-01-01	6.91000
1926-02-01	6.86000
1926-03-01	6.22000
1926-04-01	5.73000
1926-05-01	6.08000
1926-06-01	6.22000
1926-07-01	6.08000
1926-08-01	6.22000
1926-09-01	6.37000
1926-10-01	6.08000
1926-11-01	5.73000
1926-12-01	5.83000
1927-01-01	5.64000
1927-02-01	6.03000
1927-03-01	5.73000
1927-04-01	6.12000
1927-05-01	5.83000
1927-06-01	5.49000
1927-07-01	5.29000
1927-08-01	5.14000
1927-09-01	5.10000
1927-10-01	5.14000
1927-11-01	4.80000
1927-12-01	5.00000
1928-01-01	5.14000
1928-02-01	5.29000
1928-03-01	5.19000
1928-04-01	5.39000
1928-05-01	5.00000
1928-06-01	4.85000
1928-07-01	4.85000
1928-08-01	4.85000
1928-09-01	5.10000
1928-10-01	5.14000
1928-11-01	5.05000
1928-12-01	5.00000
1929-01-01	5.00000
1929-02-01	5.10000
1929-03-01	5.00000
1929-04-01	5.14000
1929-05-01	4.78000
1929-06-01	4.92000
1929-07-01	4.88000
1929-08-01	5.07000
1929-09-01	5.12000
1929-10-01	4.92000
1929-11-01	4.68000
1929-12-01	4.58000
1930-01-01	4.63000
1930-02-01	4.43000
1930-03-01	4.53000
1930-04-01	4.19000
1930-05-01	3.94000
1930-06-01	3.25000
1930-07-01	2.96000
1930-08-01	2.96000
1930-09-01	2.41000
1930-10-01	2.51000
1930-11-01	2.46000
1930-12-01	2.71000
1931-01-01	2.81000
1931-02-01	2.71000
1931-03-01	2.56000
1931-04-01	2.27000
1931-05-01	2.27000
1931-06-01	2.46000
1931-07-01	2.36000
1931-08-01	2.51000
1931-09-01	2.32000
1931-10-01	2.27000
1931-11-01	2.32000
1931-12-01	1.97000
1932-01-01	1.95000
1932-02-01	1.89000
1932-03-01	1.62000
1932-04-01	1.42000
1932-05-01	1.23000
1932-06-01	1.19000
1932-07-01	1.23000
1932-08-01	1.65000
1932-09-01	1.80000
1932-10-01	1.67000
1932-11-01	1.56000
1932-12-01	1.55000
1933-01-01	1.30000
1933-02-01	1.20000
1933-03-01	1.18000
1933-04-01	1.32000
1933-05-01	1.59000
1933-06-01	2.16000
1933-07-01	2.27000
1933-08-01	1.88000
1933-09-01	1.89000
1933-10-01	1.65000
1933-11-01	1.48000
1933-12-01	1.43000
1934-01-01	1.47000
1934-02-01	1.57000
1934-03-01	1.42000
1934-04-01	1.33000
1934-05-01	1.30000
1934-06-01	1.21000
1934-07-01	1.15000
1934-08-01	1.14000
1934-09-01	1.14000
1934-10-01	1.20000
1934-11-01	1.30000
1934-12-01	1.37000
1935-01-01	1.46000
1935-02-01	1.43000
1935-03-01	1.33000
1935-04-01	1.39000
1935-05-01	1.42000
1935-06-01	1.38000
1935-07-01	1.45000
1935-08-01	1.70000
1935-09-01	1.87000
1935-10-01	2.08000
1935-11-01	2.09000
1935-12-01	1.96000
1936-01-01	1.95000
1936-02-01	1.78000
1936-03-01	1.73000
1936-04-01	1.68000
1936-05-01	1.60000
1936-06-01	1.60000
1936-07-01	1.71000
1936-08-01	1.79000
1936-09-01	1.70000
1936-10-01	1.76000
1936-11-01	1.94000
1936-12-01	1.97000
1937-01-01	2.05000
1937-02-01	1.99000
1937-03-01	2.01000
1937-04-01	1.98000
1937-05-01	1.85000
1937-06-01	1.83000
1937-07-01	1.94000
1937-08-01	1.87000
1937-09-01	1.85000
1937-10-01	1.72000
1937-11-01	1.65000
1937-12-01	1.58000
1938-01-01	1.56000
1938-02-01	1.59000
1938-03-01	1.63000
1938-04-01	1.62000
1938-05-01	1.60000
1938-06-01	1.61000
1938-07-01	1.81000
1938-08-01	1.74000
1938-09-01	1.81000
1938-10-01	1.85000
1938-11-01	1.80000
1938-12-01	1.81000
1939-01-01	1.90000
1939-02-01	2.11000
1939-03-01	2.22000
1939-04-01	2.39000
1939-05-01	2.69000
1939-06-01	2.53000
1939-07-01	2.65000
1939-08-01	2.64000
1939-09-01	2.99000
1939-10-01	3.27000
1939-11-01	3.39000
1939-12-01	3.92000
1940-01-01	3.69000
1940-02-01	3.06000
1940-03-01	2.95000
1940-04-01	2.68000
1940-05-01	2.79000
1940-06-01	2.72000
1940-07-01	2.54000
1940-08-01	2.53000
1940-09-01	2.56000
1940-10-01	2.70000
1940-11-01	2.58000
1940-12-01	2.56000
1941-01-01	2.56000
1941-02-01	2.59000
1941-03-01	2.82000
1941-04-01	2.83000
1941-05-01	2.89000
1941-06-01	3.02000
1941-07-01	3.05000