Month Cents Per Pound 1914-01-01 1.98000 1914-02-01 1.98000 1914-03-01 1.98000 1914-04-01 1.98000 1914-05-01 1.98000 1914-06-01 1.98000 1914-07-01 1.98000 1914-08-01 1.98000 1914-09-01 1.98000 1914-10-01 1.98000 1914-11-01 2.05000 1914-12-01 2.05000 1915-01-01 2.05000 1915-02-01 2.05000 1915-03-01 2.05000 1915-04-01 2.05000 1915-05-01 2.05000 1915-06-01 2.05000 1915-07-01 2.05000 1915-08-01 2.05000 1915-09-01 2.02000 1915-10-01 2.08000 1915-11-01 2.08000 1915-12-01 2.08000 1916-01-01 2.08000 1916-02-01 2.18000 1916-03-01 2.18000 1916-04-01 2.35000 1916-05-01 2.35000 1916-07-01 3.00000 1916-08-01 3.13000 1916-09-01 3.00000 1916-10-01 3.00000 1916-11-01 3.00000 1916-12-01 3.43000 1917-01-01 3.43000 1917-02-01 3.43000 1917-03-01 3.13000 1917-04-01 3.45000 1917-05-01 3.50000 1917-06-01 3.50000 1917-07-01 3.38000 1917-08-01 3.38000 1917-09-01 3.25000 1917-10-01 3.25000 1917-11-01 3.25000 1917-12-01 3.25000 1918-01-01 3.13000 1918-02-01 3.13000 1918-03-01 3.13000 1918-04-01 3.16000 1918-05-01 3.18000 1918-06-01 3.28000 1918-07-01 3.38000 1918-08-01 3.38000 1918-09-01 3.75000 1918-10-01 3.75000 1918-11-01 3.86000 1918-12-01 3.86000 1919-01-01 3.88000 1919-02-01 3.88000 1919-03-01 3.88000 1919-04-01 3.88000 1919-05-01 3.88000 1919-06-01 3.88000 1919-07-01 3.88000 1920-03-01 6.05000 1920-04-01 5.75000 1920-05-01 5.75000 1920-06-01 5.75000 1920-07-01 5.75000 1920-08-01 5.75000 1920-09-01 6.05000 1920-10-01 6.63000 1920-11-01 6.66000 1920-12-01 5.91000 1921-01-01 5.75000 1921-02-01 5.69000 1921-03-01 5.50000 1921-04-01 5.50000 1921-05-01 5.50000 1921-06-01 5.50000 1921-07-01 5.31000 1921-08-01 4.86000 1921-09-01 4.58000 1921-10-01 4.21000 1921-11-01 4.00000 1921-12-01 3.63000 1922-01-01 3.50000 1922-02-01 3.50000 1922-03-01 3.50000 1922-04-01 3.50000 1922-05-01 3.55000 1922-06-01 3.63000 1922-07-01 3.63000 1922-08-01 3.78000 1922-09-01 3.88000 1922-10-01 3.93000 1922-11-01 3.93000 1922-12-01 3.93000 1923-01-01 3.92000 1923-02-01 3.88000 1923-03-01 3.88000 1923-04-01 3.89000 1923-05-01 3.90000 1923-06-01 3.90000 1923-07-01 3.90000 1923-08-01 3.89000 1923-09-01 3.88000 1923-10-01 3.88000 1923-11-01 3.88000 1923-12-01 3.88000 1924-01-01 3.88000 1924-02-01 3.88000 1924-03-01 3.88000 1924-04-01 3.88000 1924-05-01 3.88000 1924-06-01 3.88000 1924-07-01 3.78000 1924-08-01 3.78000 1924-09-01 3.78000 1924-10-01 3.78000 1924-11-01 3.78000 1924-12-01 3.78000 1925-01-01 3.70000 1925-02-01 3.70000 1925-03-01 3.70000 1925-04-01 3.70000 1925-05-01 3.70000 1925-06-01 3.70000 1925-07-01 3.70000 1925-08-01 3.70000 1925-09-01 3.70000 1925-10-01 3.70000 1925-11-01 3.70000 1925-12-01 3.70000 1926-01-01 3.45000 1926-02-01 3.45000 1926-03-01 3.45000 1926-04-01 3.45000 1926-05-01 3.45000 1926-06-01 3.45000 1926-07-01 3.45000 1926-08-01 3.45000 1926-09-01 3.45000 1926-10-01 3.45000 1926-11-01 3.45000 1926-12-01 3.45000 1927-01-01 3.25000 1927-02-01 3.25000 1927-03-01 3.25000 1927-04-01 3.25000 1927-05-01 3.25000 1927-06-01 3.25000 1927-07-01 3.25000 1927-08-01 3.25000 1927-09-01 3.25000 1927-10-01 3.25000 1927-11-01 3.25000 1927-12-01 3.25000 1928-01-01 3.25000 1928-02-01 3.25000 1928-03-01 3.25000 1928-04-01 3.25000 1928-05-01 3.25000 1928-06-01 3.25000 1928-07-01 3.25000 1928-08-01 3.25000 1928-09-01 3.25000 1928-10-01 3.25000 1928-11-01 3.25000 1928-12-01 3.25000