Month	Percent
1919-01-01	5.54000
1919-02-01	5.36000
1919-03-01	5.46000
1919-04-01	5.56000
1919-05-01	5.43000
1919-06-01	5.45000
1919-07-01	5.49000
1919-08-01	5.49000
1919-09-01	5.49000
1919-10-01	5.63000
1919-11-01	5.56000
1919-12-01	5.61000
1920-01-01	5.93000
1920-02-01	6.00000
1920-03-01	6.00000
1920-04-01	6.09000
1920-05-01	6.00000
1920-06-01	6.00000
1920-07-01	6.43000
1920-08-01	6.36000
1920-09-01	6.57000
1920-10-01	6.57000
1920-11-01	6.71000
1920-12-01	6.36000
1921-01-01	6.71000
1921-02-01	6.78000
1921-03-01	6.70000
1921-04-01	6.64000
1921-05-01	6.68000
1921-06-01	6.43000
1921-07-01	6.21000
1921-08-01	6.25000
1921-09-01	6.11000
1921-10-01	5.93000
1921-11-01	5.96000
1921-12-01	5.68000
1922-01-01	5.50000
1922-02-01	5.48000
1922-03-01	5.43000
1922-04-01	5.46000
1922-05-01	5.06000
1922-06-01	4.93000
1922-07-01	5.16000
1922-08-01	4.66000
1922-09-01	4.70000
1922-10-01	4.74000
1922-11-01	4.82000
1922-12-01	4.86000
1923-01-01	4.82000
1923-02-01	4.91000
1923-03-01	4.98000
1923-04-01	5.32000
1923-05-01	5.27000
1923-06-01	5.21000
1923-07-01	5.29000
1923-08-01	5.18000
1923-09-01	5.33000
1923-10-01	5.37000
1923-11-01	5.39000
1923-12-01	5.21000
1924-01-01	5.21000
1924-02-01	5.07000
1924-03-01	5.06000
1924-04-01	4.98000
1924-05-01	4.89000
1924-06-01	4.64000
1924-07-01	4.21000
1924-08-01	4.09000
1924-09-01	4.20000
1924-10-01	4.41000
1924-11-01	4.13000
1924-12-01	4.29000
1925-01-01	4.16000
1925-02-01	4.43000
1925-03-01	4.53000
1925-04-01	4.48000
1925-05-01	4.38000
1925-06-01	4.36000
1925-07-01	4.46000
1925-08-01	4.36000
1925-09-01	4.57000
1925-10-01	4.62000
1925-11-01	4.61000
1925-12-01	4.70000
1926-01-01	4.64000
1926-02-01	4.68000
1926-03-01	4.62000
1926-04-01	4.62000
1926-05-01	4.66000
1926-06-01	4.58000
1926-07-01	4.38000
1926-08-01	4.62000
1926-09-01	4.81000
1926-10-01	4.85000
1926-11-01	4.79000
1926-12-01	4.79000
1927-01-01	4.66000
1927-02-01	4.56000
1927-03-01	4.56000
1927-04-01	4.63000
1927-05-01	4.63000
1927-06-01	4.60000
1927-07-01	4.56000
1927-08-01	4.41000
1927-09-01	4.44000
1927-10-01	4.49000
1927-11-01	4.35000
1927-12-01	4.50000
1928-01-01	4.56000
1928-02-01	4.44000
1928-03-01	4.59000
1928-04-01	4.72000
1928-05-01	4.97000
1928-06-01	5.09000
1928-07-01	5.38000
1928-08-01	5.56000
1928-09-01	5.63000
1928-10-01	5.63000
1928-11-01	5.56000
1928-12-01	5.63000
1929-01-01	5.74000
1929-02-01	5.73000
1929-03-01	5.81000
1929-04-01	5.85000
1929-05-01	5.88000
1929-06-01	5.93000
1929-07-01	5.88000
1929-08-01	6.05000
1929-09-01	6.06000
1929-10-01	6.08000
1929-11-01	5.86000
1929-12-01	5.74000
1930-01-01	5.64000
1930-02-01	5.35000
1930-03-01	5.22000
1930-04-01	4.91000
1930-05-01	4.74000
1930-06-01	4.59000
1930-07-01	4.48000
1930-08-01	4.41000
1930-09-01	4.29000
1930-10-01	4.26000
1930-11-01	4.17000
1930-12-01	4.16000
1931-01-01	4.24000
1931-02-01	4.31000
1931-03-01	4.20000
1931-04-01	4.17000
1931-05-01	4.11000
1931-06-01	4.13000
1931-07-01	4.05000
1931-08-01	3.97000
1931-09-01	3.93000
1931-10-01	4.27000
1931-11-01	4.67000
1931-12-01	4.64000
1932-01-01	4.71000
1932-02-01	4.71000
1932-03-01	4.72000
1932-04-01	4.69000
1932-05-01	4.55000
1932-06-01	4.61000
1932-07-01	4.42000
1932-08-01	4.45000
1932-09-01	4.30000
1932-10-01	4.35000
1932-11-01	4.12000
1932-12-01	4.22000
1933-01-01	4.12000
1933-02-01	4.11000
1933-03-01	4.88000
1933-04-01	4.33000
1933-05-01	4.24000
1933-06-01	4.10000
1933-07-01	3.93000
1933-08-01	3.97000
1933-09-01	3.79000
1933-10-01	3.76000
1933-11-01	3.52000
1933-12-01	3.48000
1934-01-01	3.58000
1934-02-01	3.43000
1934-03-01	3.31000
1934-04-01	3.39000
1934-05-01	3.42000
1934-06-01	3.30000
1934-07-01	3.30000
1934-08-01	3.33000
1934-09-01	3.26000
1934-10-01	3.28000
1934-11-01	3.22000
1934-12-01	3.18000
1935-01-01	2.83000
1935-02-01	2.90000
1935-03-01	2.64000
1935-04-01	2.61000
1935-05-01	2.69000
1935-06-01	2.66000
1935-07-01	2.61000
1935-08-01	2.67000
1935-09-01	2.72000
1935-10-01	2.72000
1935-11-01	2.77000
1935-12-01	2.61000
1936-01-01	2.64000
1936-02-01	2.56000
1936-03-01	2.61000
1936-04-01	2.54000
1936-05-01	2.51000
1936-06-01	2.44000
1936-07-01	2.44000
1936-08-01	2.42000
1936-09-01	2.40000
1936-10-01	2.46000
1936-11-01	2.43000
1936-12-01	2.43000
1937-01-01	2.50000
1937-02-01	2.41000
1937-03-01	2.50000
1937-04-01	2.53000
1937-05-01	2.44000
1937-06-01	2.34000
1937-07-01	2.36000
1937-08-01	2.41000
1937-09-01	2.39000
1937-10-01	2.38000
1937-11-01	2.45000
1937-12-01	2.40000
1938-01-01	2.36000
1938-02-01	2.34000
1938-03-01	2.40000
1938-04-01	2.36000
1938-05-01	2.40000
1938-06-01	2.36000
1938-07-01	2.27000
1938-08-01	2.16000
1938-09-01	2.25000
1938-10-01	2.29000
1938-11-01	2.33000
1938-12-01	2.33000
1939-01-01	2.29000
1939-02-01	2.24000