Month	Percent
1919-01-01	5.80000
1919-02-01	5.67000
1919-03-01	5.70000
1919-04-01	5.75000
1919-05-01	5.65000
1919-06-01	5.67000
1919-07-01	5.73000
1919-08-01	5.72000
1919-09-01	5.72000
1919-10-01	5.77000
1919-11-01	5.75000
1919-12-01	5.84000
1920-01-01	6.02000
1920-02-01	6.13000
1920-03-01	6.24000
1920-04-01	6.43000
1920-05-01	6.47000
1920-06-01	6.63000
1920-07-01	6.81000
1920-08-01	6.79000
1920-09-01	6.87000
1920-10-01	6.87000
1920-11-01	6.93000
1920-12-01	6.79000
1921-01-01	6.93000
1921-02-01	6.94000
1921-03-01	6.91000
1921-04-01	6.90000
1921-05-01	6.89000
1921-06-01	6.81000
1921-07-01	6.72000
1921-08-01	6.60000
1921-09-01	6.55000
1921-10-01	6.47000
1921-11-01	6.32000
1921-12-01	6.16000
1922-01-01	6.02000
1922-02-01	5.91000
1922-03-01	5.82000
1922-04-01	5.67000
1922-05-01	5.53000
1922-06-01	5.46000
1922-07-01	5.46000
1922-08-01	5.27000
1922-09-01	5.21000
1922-10-01	5.24000
1922-11-01	5.35000
1922-12-01	5.38000
1923-01-01	5.32000
1923-02-01	5.37000
1923-03-01	5.43000
1923-04-01	5.56000
1923-05-01	5.56000
1923-06-01	5.50000
1923-07-01	5.55000
1923-08-01	5.58000
1923-09-01	5.61000
1923-10-01	5.61000
1923-11-01	5.60000
1923-12-01	5.53000
1924-01-01	5.56000
1924-02-01	5.42000
1924-03-01	5.41000
1924-04-01	5.36000
1924-05-01	5.29000
1924-06-01	5.12000
1924-07-01	4.95000
1924-08-01	4.78000
1924-09-01	4.84000
1924-10-01	4.88000
1924-11-01	4.78000
1924-12-01	4.86000
1925-01-01	4.80000
1925-02-01	4.88000
1925-03-01	4.97000
1925-04-01	4.97000
1925-05-01	4.93000
1925-06-01	4.93000
1925-07-01	4.95000
1925-08-01	4.95000
1925-09-01	5.03000
1925-10-01	5.08000
1925-11-01	5.10000
1925-12-01	5.13000
1926-01-01	5.09000
1926-02-01	5.12000
1926-03-01	5.10000
1926-04-01	5.12000
1926-05-01	5.08000
1926-06-01	4.96000
1926-07-01	4.91000
1926-08-01	4.99000
1926-09-01	5.13000
1926-10-01	5.19000
1926-11-01	5.14000
1926-12-01	5.16000
1927-01-01	5.08000
1927-02-01	5.04000
1927-03-01	4.99000
1927-04-01	5.00000
1927-05-01	5.02000
1927-06-01	4.99000
1927-07-01	4.96000
1927-08-01	4.90000
1927-09-01	4.89000
1927-10-01	4.90000
1927-11-01	4.87000
1927-12-01	4.91000
1928-01-01	4.89000
1928-02-01	4.87000
1928-03-01	4.94000
1928-04-01	5.02000
1928-05-01	5.16000
1928-06-01	5.35000
1928-07-01	5.56000
1928-08-01	5.64000
1928-09-01	5.75000
1928-10-01	5.76000
1928-11-01	5.75000
1928-12-01	5.82000
1929-01-01	5.84000
1929-02-01	5.84000
1929-03-01	5.91000
1929-04-01	5.97000
1929-05-01	6.02000
1929-06-01	6.03000
1929-07-01	6.04000
1929-08-01	6.12000
1929-09-01	6.19000
1929-10-01	6.21000
1929-11-01	6.08000
1929-12-01	5.94000
1930-01-01	5.87000
1930-02-01	5.66000
1930-03-01	5.53000
1930-04-01	5.30000
1930-05-01	5.17000
1930-06-01	5.08000
1930-07-01	4.93000
1930-08-01	4.88000
1930-09-01	4.81000
1930-10-01	4.81000
1930-11-01	4.73000
1930-12-01	4.72000
1931-01-01	4.73000
1931-02-01	4.74000
1931-03-01	4.70000
1931-04-01	4.66000
1931-05-01	4.60000
1931-06-01	4.61000
1931-07-01	4.56000
1931-08-01	4.53000
1931-09-01	4.53000
1931-10-01	4.72000
1931-11-01	4.99000
1931-12-01	5.00000
1932-01-01	5.10000
1932-02-01	5.13000
1932-03-01	5.14000
1932-04-01	5.11000
1932-05-01	5.08000
1932-06-01	5.09000
1932-07-01	5.00000
1932-08-01	5.05000
1932-09-01	4.95000
1932-10-01	4.92000
1932-11-01	4.81000
1932-12-01	4.86000
1933-01-01	4.83000
1933-02-01	4.80000
1933-03-01	5.30000
1933-04-01	5.00000
1933-05-01	4.92000
1933-06-01	4.86000
1933-07-01	4.72000
1933-08-01	4.68000
1933-09-01	4.61000
1933-10-01	4.54000
1933-11-01	4.45000
1933-12-01	4.45000
1934-01-01	4.50000
1934-02-01	4.39000
1934-03-01	4.36000
1934-04-01	4.37000
1934-05-01	4.31000
1934-06-01	4.22000
1934-07-01	4.12000
1934-08-01	4.11000
1934-09-01	4.09000
1934-10-01	4.10000
1934-11-01	4.03000
1934-12-01	3.98000
1935-01-01	3.90000
1935-02-01	3.87000
1935-03-01	3.80000
1935-04-01	3.75000
1935-05-01	3.74000
1935-06-01	3.68000
1935-07-01	3.65000
1935-08-01	3.65000
1935-09-01	3.62000
1935-10-01	3.63000
1935-11-01	3.59000
1935-12-01	3.56000
1936-01-01	3.53000
1936-02-01	3.52000
1936-03-01	3.50000
1936-04-01	3.42000
1936-05-01	3.41000
1936-06-01	3.39000
1936-07-01	3.43000
1936-08-01	3.34000
1936-09-01	3.33000
1936-10-01	3.36000
1936-11-01	3.34000
1936-12-01	3.31000
1937-01-01	3.30000
1937-02-01	3.29000
1937-03-01	3.28000
1937-04-01	3.32000
1937-05-01	3.32000
1937-06-01	3.23000
1937-07-01	3.24000
1937-08-01	3.25000
1937-09-01	3.25000
1937-10-01	3.26000
1937-11-01	3.31000
1937-12-01	3.26000
1938-01-01	3.25000
1938-02-01	3.20000
1938-03-01	3.22000
1938-04-01	3.20000
1938-05-01	3.22000
1938-06-01	3.25000
1938-07-01	3.18000
1938-08-01	3.13000
1938-09-01	3.17000
1938-10-01	3.20000
1938-11-01	3.18000
1938-12-01	3.25000
1939-01-01	3.23000
1939-02-01	3.18000