Month	Cents Per Pound
1920-01-01	5.45000
1920-02-01	5.60000
1920-03-01	5.80000
1920-04-01	6.15000
1920-05-01	6.25000
1920-06-01	6.20000
1920-07-01	6.80000
1920-08-01	6.95000
1920-09-01	7.00000
1920-10-01	7.00000
1920-11-01	6.60000
1920-12-01	5.25000
1921-01-01	5.20000
1921-02-01	5.20000
1921-03-01	5.20000
1921-04-01	5.20000
1921-05-01	5.20000
1921-06-01	4.95000
1921-07-01	4.70000
1921-08-01	4.65000
1921-09-01	4.45000
1921-10-01	4.55000
1921-11-01	4.35000
1921-12-01	4.35000
1922-01-01	4.35000
1922-02-01	4.35000
1922-03-01	4.35000
1922-04-01	4.40000
1922-05-01	4.45000
1922-06-01	4.55000
1922-07-01	4.60000
1922-08-01	4.75000
1922-09-01	4.85000
1922-10-01	4.85000
1922-11-01	4.85000
1922-12-01	4.70000
1923-01-01	4.70000
1923-02-01	4.78000
1923-03-01	5.00000
1923-04-01	5.00000
1923-05-01	5.35000
1923-06-01	5.35000
1923-07-01	5.35000
1923-08-01	5.35000
1923-09-01	5.35000
1923-10-01	5.35000
1923-11-01	5.35000
1923-12-01	5.25000
1924-01-01	5.35000
1924-02-01	5.35000
1924-03-01	5.35000
1924-04-01	5.25000
1924-05-01	5.10000
1924-06-01	5.10000
1924-07-01	5.06000
1924-08-01	4.75000
1924-09-01	4.72000
1924-10-01	4.60000
1924-11-01	4.60000
1924-12-01	4.75000
1925-01-01	4.75000
1925-02-01	4.68000
1925-03-01	4.46000
1925-04-01	4.40000
1925-05-01	4.40000
1925-06-01	4.22000
1925-07-01	4.15000
1925-08-01	4.25000
1925-09-01	4.25000
1925-10-01	4.29000
1925-11-01	4.40000
1925-12-01	4.50000
1926-01-01	4.50000
1926-02-01	4.43000
1926-03-01	4.40000
1926-04-01	4.33000
1926-05-01	4.29000
1926-06-01	4.20000
1926-07-01	4.20000
1926-08-01	4.20000
1926-09-01	4.25000
1926-10-01	4.25000
1926-11-01	4.25000
1926-12-01	4.25000
1927-01-01	4.18000
1927-02-01	4.15000
1927-03-01	4.15000
1927-04-01	4.15000
1927-05-01	4.15000
1927-06-01	4.25000
1927-07-01	4.25000
1927-08-01	4.25000
1927-09-01	4.25000
1927-10-01	4.15000
1927-11-01	4.12000
1927-12-01	4.00000
1928-01-01	4.00000
1928-02-01	4.08000
1928-03-01	4.15000
1928-04-01	4.04000
1928-05-01	4.00000
1928-06-01	4.00000
1928-07-01	4.00000
1928-08-01	4.00000
1928-09-01	4.00000
1928-10-01	4.00000
1928-11-01	4.00000
1928-12-01	4.08000
1929-01-01	4.10000
1929-02-01	4.10000
1929-03-01	4.10000
1929-04-01	4.10000
1929-05-01	4.10000
1929-06-01	4.10000
1929-07-01	4.10000
1929-08-01	4.08000
1929-09-01	4.00000
1929-10-01	4.00000
1929-11-01	4.00000
1929-12-01	3.98000
1930-01-01	3.90000
1930-02-01	3.90000
1930-03-01	3.88000
1930-04-01	3.80000
1930-05-01	3.75000
1930-06-01	3.65000
1930-07-01	3.60000
1930-08-01	3.60000
1930-09-01	3.50000
1930-10-01	3.45000
1930-11-01	3.38000
1930-12-01	3.30000
1931-01-01	3.30000
1931-02-01	3.30000
1931-03-01	3.24000
1931-04-01	3.10000
1931-05-01	3.03000
1931-06-01	3.02000
1931-07-01	3.10000
1931-08-01	3.10000
1931-09-01	3.10000
1931-10-01	3.10000
1931-11-01	3.10000
1931-12-01	3.02000
1932-01-01	2.90000
1932-02-01	2.80000
1932-03-01	2.86000
1932-04-01	2.90000
1932-05-01	2.89000
1932-06-01	2.85000
1932-07-01	2.85000
1932-08-01	2.81000
1932-09-01	2.75000
1932-10-01	2.65000
1932-11-01	2.63000
1932-12-01	2.65000
1933-01-01	2.35000
1933-02-01	2.25000
1933-03-01	2.30000
1933-04-01	2.30000
1933-05-01	2.34000
1933-06-01	2.29000
1933-07-01	2.40000
1933-08-01	2.47000
1933-09-01	2.75000
1933-10-01	2.75000
1933-11-01	2.75000
1933-12-01	2.75000
1934-01-01	2.75000
1934-02-01	2.75000
1934-03-01	2.75000
1934-04-01	2.85000
1934-05-01	3.15000
1934-06-01	3.15000
1934-07-01	2.99000
1934-08-01	2.95000
1934-09-01	2.95000
1934-10-01	2.95000
1934-11-01	2.95000
1934-12-01	2.95000
1935-01-01	2.95000
1935-02-01	2.95000
1935-03-01	2.95000
1935-04-01	2.95000
1935-05-01	2.95000
1935-06-01	2.95000
1935-07-01	2.95000
1935-08-01	2.95000
1935-09-01	2.95000
1935-10-01	2.95000
1935-11-01	2.95000
1935-12-01	2.95000
1936-01-01	2.95000
1936-02-01	2.95000
1936-03-01	2.95000
1936-04-01	2.95000
1936-05-01	2.95000
1936-06-01	2.95000
1936-07-01	3.05000
1936-08-01	3.05000
1936-09-01	3.05000
1936-10-01	3.05000
1936-11-01	3.05000
1936-12-01	3.25000
1937-01-01	3.25000
1937-02-01	3.25000
1937-03-01	3.49000
1937-04-01	3.55000
1937-05-01	3.55000
1937-06-01	3.55000
1937-07-01	3.55000
1937-08-01	3.55000
1937-09-01	3.55000
1937-10-01	3.55000
1937-11-01	3.55000
1937-12-01	3.55000
1938-01-01	3.55000
1938-02-01	3.50000
1938-03-01	3.45000
1938-04-01	3.45000
1938-05-01	3.43000
1938-06-01	3.32000
1938-07-01	3.20000
1938-08-01	3.20000
1938-09-01	3.20000
1938-10-01	3.08000
1938-11-01	3.20000
1938-12-01	3.20000
1939-01-01	3.20000
1939-02-01	3.20000
1939-03-01	3.20000
1939-04-01	3.20000
1939-05-01	3.11000
1939-06-01	3.05000
1939-07-01	3.05000
1939-08-01	3.05000
1939-09-01	3.05000
1939-10-01	3.05000
1939-11-01	3.05000
1939-12-01	3.05000
1940-01-01	3.05000
1940-02-01	3.05000
1940-03-01	3.05000
1940-04-01	2.93000
1940-05-01	3.05000
1940-06-01	3.05000
1940-07-01	3.05000