Month	Percent
1919-01-01	4.63000
1919-02-01	4.70000
1919-03-01	4.73000
1919-04-01	4.72000
1919-05-01	4.67000
1919-06-01	4.69000
1919-07-01	4.72000
1919-08-01	4.78000
1919-09-01	4.73000
1919-10-01	4.71000
1919-11-01	4.81000
1919-12-01	4.90000
1920-01-01	4.93000
1920-02-01	5.05000
1920-03-01	5.09000
1920-04-01	5.28000
1920-05-01	5.58000
1920-06-01	5.54000
1920-07-01	5.57000
1920-08-01	5.67000
1920-09-01	5.43000
1920-10-01	5.08000
1920-11-01	5.21000
1920-12-01	5.40000
1921-01-01	5.23000
1921-02-01	5.28000
1921-03-01	5.27000
1921-04-01	5.24000
1921-05-01	5.25000
1921-06-01	5.27000
1921-07-01	5.26000
1921-08-01	5.22000
1921-09-01	5.12000
1921-10-01	4.83000
1921-11-01	4.64000
1921-12-01	4.47000
1922-01-01	4.45000
1922-02-01	4.50000
1922-03-01	4.41000
1922-04-01	4.28000
1922-05-01	4.26000
1922-06-01	4.24000
1922-07-01	4.14000
1922-08-01	4.12000
1922-09-01	4.19000
1922-10-01	4.30000
1922-11-01	4.33000
1922-12-01	4.32000
1923-01-01	4.32000
1923-02-01	4.33000
1923-03-01	4.38000
1923-04-01	4.39000
1923-05-01	4.37000
1923-06-01	4.34000
1923-07-01	4.34000
1923-08-01	4.35000
1923-09-01	4.36000
1923-10-01	4.40000
1923-11-01	4.37000
1923-12-01	4.35000
1924-01-01	4.30000
1924-02-01	4.28000
1924-03-01	4.28000
1924-04-01	4.23000
1924-05-01	4.15000
1924-06-01	3.98000
1924-07-01	3.94000
1924-08-01	3.91000
1924-09-01	3.92000
1924-10-01	3.87000
1924-11-01	3.90000
1924-12-01	3.96000
1925-01-01	3.96000
1925-02-01	3.95000
1925-03-01	3.96000
1925-04-01	3.93000
1925-05-01	3.87000
1925-06-01	3.79000
1925-07-01	3.79000
1925-08-01	3.85000
1925-09-01	3.85000
1925-10-01	3.82000
1925-11-01	3.79000
1925-12-01	3.80000
1926-01-01	3.77000
1926-02-01	3.71000
1926-03-01	3.71000
1926-04-01	3.70000
1926-05-01	3.67000
1926-06-01	3.67000
1926-07-01	3.68000
1926-08-01	3.70000
1926-09-01	3.70000
1926-10-01	3.68000
1926-11-01	3.62000
1926-12-01	3.56000
1927-01-01	3.51000
1927-02-01	3.48000
1927-03-01	3.37000
1927-04-01	3.35000
1927-05-01	3.31000
1927-06-01	3.34000
1927-07-01	3.36000
1927-08-01	3.32000
1927-09-01	3.30000
1927-10-01	3.29000
1927-11-01	3.23000
1927-12-01	3.17000
1928-01-01	3.18000
1928-02-01	3.19000
1928-03-01	3.17000
1928-04-01	3.20000
1928-05-01	3.24000
1928-06-01	3.29000
1928-07-01	3.42000
1928-08-01	3.48000
1928-09-01	3.46000
1928-10-01	3.47000
1928-11-01	3.38000
1928-12-01	3.45000
1929-01-01	3.52000
1929-02-01	3.62000
1929-03-01	3.74000
1929-04-01	3.64000
1929-05-01	3.64000
1929-06-01	3.69000
1929-07-01	3.64000
1929-08-01	3.71000
1929-09-01	3.70000
1929-10-01	3.61000
1929-11-01	3.35000
1929-12-01	3.36000
1930-01-01	3.43000
1930-02-01	3.41000
1930-03-01	3.29000
1930-04-01	3.37000
1930-05-01	3.31000
1930-06-01	3.25000
1930-07-01	3.25000
1930-08-01	3.26000
1930-09-01	3.24000
1930-10-01	3.21000
1930-11-01	3.19000
1930-12-01	3.22000
1931-01-01	3.20000
1931-02-01	3.30000
1931-03-01	3.27000
1931-04-01	3.26000
1931-05-01	3.16000
1931-06-01	3.13000
1931-07-01	3.15000
1931-08-01	3.18000
1931-09-01	3.25000
1931-10-01	3.63000
1931-11-01	3.63000
1931-12-01	3.93000
1932-01-01	4.26000
1932-02-01	4.11000
1932-03-01	3.92000
1932-04-01	3.68000
1932-05-01	3.76000
1932-06-01	3.76000
1932-07-01	3.58000
1932-08-01	3.45000
1932-09-01	3.42000
1932-10-01	3.43000
1932-11-01	3.45000
1932-12-01	3.35000
1933-01-01	3.22000
1933-02-01	3.31000
1933-03-01	3.42000
1933-04-01	3.42000
1933-05-01	3.30000
1933-06-01	3.21000
1933-07-01	3.20000
1933-08-01	3.21000
1933-09-01	3.19000
1933-10-01	3.22000
1933-11-01	3.46000
1933-12-01	3.53000
1934-01-01	3.50000
1934-02-01	3.32000
1934-03-01	3.20000
1934-04-01	3.11000
1934-05-01	3.02000
1934-06-01	2.98000
1934-07-01	2.92000
1934-08-01	3.03000
1934-09-01	3.20000
1934-10-01	3.10000
1934-11-01	3.07000
1934-12-01	3.01000
1935-01-01	2.88000
1935-02-01	2.79000
1935-03-01	2.77000
1935-04-01	2.74000
1935-05-01	2.72000
1935-06-01	2.72000
1935-07-01	2.69000
1935-08-01	2.76000
1935-09-01	2.85000
1935-10-01	2.85000
1935-11-01	2.83000
1935-12-01	2.83000
1936-01-01	2.80000
1936-02-01	2.77000
1936-03-01	2.71000
1936-04-01	2.68000
1936-05-01	2.66000
1936-06-01	2.66000
1936-07-01	2.65000
1936-08-01	2.61000
1936-09-01	2.60000
1936-10-01	2.62000
1936-11-01	2.53000
1936-12-01	2.51000
1937-01-01	2.47000
1937-02-01	2.46000
1937-03-01	2.60000
1937-04-01	2.80000
1937-05-01	2.76000
1937-06-01	2.76000
1937-07-01	2.72000
1937-08-01	2.72000
1937-09-01	2.77000
1937-10-01	2.76000
1937-11-01	2.71000
1937-12-01	2.67000
1938-01-01	2.65000
1938-02-01	2.64000
1938-03-01	2.64000
1938-04-01	2.62000
1938-05-01	2.51000
1938-06-01	2.52000
1938-07-01	2.52000
1938-08-01	2.51000
1938-09-01	2.58000
1938-10-01	2.48000
1938-11-01	2.50000
1938-12-01	2.49000
1939-01-01	2.47000
1939-02-01	2.44000
1939-03-01	2.34000
1939-04-01	2.30000
1939-05-01	2.17000
1939-06-01	2.13000
1939-07-01	2.16000
1939-08-01	2.21000
1939-09-01	2.65000
1939-10-01	2.60000
1939-11-01	2.46000
1939-12-01	2.35000
1940-01-01	2.30000
1940-02-01	2.32000
1940-03-01	2.25000
1940-04-01	2.25000
1940-05-01	2.38000
1940-06-01	2.39000
1940-07-01	2.28000
1940-08-01	2.25000
1940-09-01	2.18000
1940-10-01	2.10000
1940-11-01	1.97000
1940-12-01	1.89000
1941-01-01	1.99000
1941-02-01	2.10000
1941-03-01	2.01000
1941-04-01	1.96000
1941-05-01	1.92000
1941-06-01	1.91000
1941-07-01	1.90000
1941-08-01	1.94000
1941-09-01	1.94000
1941-10-01	1.88000
1941-11-01	1.85000
1941-12-01	1.96000
1942-01-01	2.01000
1942-02-01	2.09000
1942-03-01	2.00000
1942-04-01	1.98000
1942-05-01	1.97000
1942-06-01	1.97000
1942-07-01	2.00000
1942-08-01	2.02000
1942-09-01	2.03000
1942-10-01	2.05000
1942-11-01	2.06000
1942-12-01	2.09000
1943-01-01	2.06000
1943-02-01	2.06000
1943-03-01	2.08000
1943-04-01	2.02000
1943-05-01	1.92000
1943-06-01	1.85000
1943-07-01	1.82000
1943-08-01	1.83000
1943-09-01	1.80000
1943-10-01	1.81000
1943-11-01	1.85000
1943-12-01	1.86000
1944-01-01	1.86000
1944-02-01	1.84000