Month	Dollars Per Pound
1913-01-01	3.40000
1913-02-01	3.40000
1913-03-01	3.40000
1913-04-01	3.40000
1913-05-01	3.40000
1913-06-01	3.40000
1913-07-01	3.40000
1913-08-01	3.40000
1913-09-01	3.50000
1913-10-01	3.50000
1913-11-01	3.70000
1913-12-01	3.70000
1914-01-01	3.70000
1914-02-01	3.70000
1914-03-01	3.70000
1914-04-01	3.70000
1914-05-01	3.80000
1914-06-01	3.80000
1914-07-01	3.80000
1914-08-01	3.80000
1914-09-01	3.95000
1914-10-01	3.80000
1914-11-01	3.80000
1914-12-01	3.80000
1915-01-01	3.80000
1915-02-01	3.80000
1915-03-01	3.80000
1915-04-01	3.60000
1915-05-01	3.60000
1915-06-01	3.60000
1915-07-01	3.60000
1915-08-01	3.60000
1915-09-01	3.60000
1915-10-01	3.60000
1915-11-01	3.60000
1915-12-01	3.70000
1916-01-01	3.70000
1916-02-01	3.90000
1916-03-01	4.10000
1916-04-01	4.10000
1916-05-01	4.10000
1916-06-01	4.10000
1916-07-01	4.30000
1916-08-01	4.30000
1916-09-01	4.30000
1916-10-01	4.55000
1916-11-01	4.55000
1916-12-01	4.55000
1917-01-01	4.55000
1917-02-01	4.80000
1917-03-01	4.80000
1917-04-01	4.80000
1917-05-01	5.05000
1917-06-01	5.05000
1917-07-01	5.05000
1917-08-01	5.50000
1917-09-01	5.50000
1917-10-01	5.50000
1917-11-01	5.50000
1917-12-01	5.50000
1918-01-01	5.50000
1918-02-01	5.50000
1918-03-01	5.50000
1918-04-01	5.80000
1918-05-01	6.40000
1918-06-01	6.40000
1918-07-01	6.40000
1918-08-01	7.00000
1918-09-01	7.00000
1918-10-01	7.00000
1918-11-01	7.00000
1918-12-01	7.00000
1919-01-01	7.28000
1919-02-01	6.58000
1919-03-01	6.30000
1919-04-01	6.49000
1919-05-01	7.52000
1919-06-01	7.80000
1919-07-01	8.46000
1919-08-01	8.93000
1919-09-01	10.1000
1919-10-01	11.2800
1919-11-01	11.2800
1919-12-01	11.6100
1920-01-01	11.9400
1920-02-01	12.2500
1920-03-01	11.9400
1920-04-01	11.6200
1920-05-01	10.8300
1920-06-01	9.69000
1920-07-01	9.28000
1920-08-01	8.22000
1920-09-01	7.81000
1920-10-01	6.98000
1920-11-01	6.82000
1920-12-01	6.21000
1921-01-01	5.85000
1921-02-01	5.85000
1921-03-01	5.68000
1921-04-01	5.50000
1921-05-01	5.45000
1921-06-01	5.45000
1921-07-01	5.17000
1921-08-01	5.26000
1921-09-01	5.17000
1921-10-01	5.08000
1921-11-01	5.08000
1921-12-01	5.15000
1922-01-01	5.40000
1922-02-01	5.40000
1922-03-01	5.50000
1922-04-01	5.18000
1922-05-01	5.29000
1922-06-01	5.29000
1922-07-01	5.29000
1922-08-01	5.29000
1922-09-01	5.29000
1922-10-01	5.34000
1922-11-01	5.40000
1922-12-01	5.44000
1923-01-01	5.49000
1923-02-01	5.64000
1923-03-01	5.64000
1923-04-01	6.04000
1923-05-01	6.33000
1923-06-01	6.35000
1923-07-01	6.27000
1923-08-01	6.28000
1923-09-01	6.47000
1923-10-01	6.50000
1923-11-01	6.47000
1923-12-01	6.40000
1924-01-01	6.06000
1924-02-01	5.88000
1924-03-01	5.64000
1924-04-01	5.64000
1924-05-01	5.64000
1924-06-01	5.43000
1924-07-01	5.39000
1924-08-01	5.47000
1924-09-01	5.49000
1924-10-01	5.49000
1924-11-01	5.88000
1924-12-01	6.01000
1925-01-01	6.10000
1925-02-01	6.06000
1925-03-01	5.98000
1925-04-01	5.88000
1925-05-01	5.88000
1925-06-01	5.91000
1925-07-01	6.07000
1925-08-01	6.18000
1925-09-01	6.43000
1925-10-01	6.62000
1925-11-01	6.62000
1925-12-01	6.60000
1926-01-01	6.57000
1926-02-01	6.06000
1926-03-01	6.21000
1926-04-01	6.08000
1926-05-01	5.88000
1926-06-01	5.87000
1926-07-01	5.88000
1926-08-01	5.88000
1926-09-01	5.88000
1926-10-01	5.88000
1926-11-01	5.88000
1926-12-01	5.53000
1927-01-01	5.29000
1927-02-01	5.22000
1927-03-01	5.19000
1927-04-01	5.19000
1927-05-01	5.10000
1927-06-01	5.10000
1927-07-01	4.98000
1927-08-01	4.70000
1927-09-01	4.70000
1927-10-01	4.70000
1927-11-01	4.66000
1927-12-01	4.61000
1928-01-01	4.61000
1928-02-01	4.41000
1928-03-01	4.41000
1928-04-01	4.41000
1928-05-01	4.41000
1928-06-01	4.41000
1928-07-01	4.41000
1928-08-01	4.41000
1928-09-01	4.44000
1928-10-01	4.61000
1928-11-01	4.61000
1928-12-01	4.61000
1929-01-01	4.61000
1929-02-01	4.61000
1929-03-01	4.61000
1929-04-01	4.61000
1929-05-01	4.61000
1929-06-01	4.61000
1929-07-01	4.61000
1929-08-01	4.58000
1929-09-01	4.46000
1929-10-01	4.46000
1929-11-01	4.46000
1929-12-01	4.46000
1930-01-01	4.46000
1930-02-01	4.46000
1930-03-01	4.46000
1930-04-01	4.26000
1930-05-01	4.26000
1930-06-01	4.23000
1930-07-01	4.12000
1930-08-01	4.12000
1930-09-01	4.12000
1930-10-01	4.12000
1930-11-01	3.60000
1930-12-01	3.43000
1931-01-01	3.43000
1931-02-01	3.43000
1931-03-01	3.43000
1931-04-01	3.43000
1931-05-01	3.43000
1931-06-01	3.43000
1931-07-01	3.43000
1931-08-01	3.43000
1931-09-01	3.43000
1931-10-01	3.43000
1931-11-01	3.43000
1931-12-01	3.43000
1932-01-01	3.43000
1932-02-01	3.43000
1932-03-01	3.28000
1932-04-01	3.28000
1932-05-01	3.28000
1932-06-01	3.28000
1932-07-01	2.96000
1932-08-01	2.65000
1932-09-01	2.65000
1932-10-01	2.65000
1932-11-01	2.65000
1932-12-01	2.72000