Month	Per Cent
1921-05-01	15.0000
1921-06-01	16.3000
1921-07-01	15.6000
1921-08-01	14.4000
1921-09-01	14.0000
1921-10-01	14.9000
1921-11-01	18.9000
1921-12-01	20.4000
1922-01-01	22.1000
1922-02-01	21.4000
1922-03-01	18.2000
1922-04-01	17.2000
1922-05-01	15.8000
1922-06-01	15.3000
1922-07-01	15.4000
1922-08-01	14.6000
1922-09-01	15.4000
1922-10-01	16.0000
1922-11-01	18.1000
1922-12-01	19.0000
1923-01-01	21.0000
1923-02-01	19.2000
1923-03-01	15.9000
1923-04-01	14.4000
1923-05-01	12.3000
1923-06-01	12.5000
1923-07-01	12.3000
1923-08-01	11.6000
1923-09-01	11.9000
1923-10-01	12.3000
1923-11-01	13.4000
1923-12-01	13.6000
1924-01-01	15.1000
1924-02-01	12.8000
1924-03-01	10.1000
1924-04-01	9.00000
1924-05-01	8.20000
1924-06-01	8.20000
1924-07-01	9.90000
1924-08-01	10.8000
1924-09-01	9.70000
1924-10-01	10.2000
1924-11-01	11.1000
1924-12-01	11.7000
1925-01-01	12.9000
1925-02-01	11.4000
1925-03-01	9.30000
1925-04-01	8.00000
1925-05-01	7.20000
1925-06-01	7.20000
1925-07-01	7.90000
1925-08-01	7.70000
1925-09-01	8.40000
1925-10-01	9.50000
1925-11-01	11.0000
1925-12-01	13.1000
1926-01-01	14.4000
1926-02-01	11.3000
1926-03-01	8.20000
1926-04-01	7.00000
1926-05-01	9.20000
1926-06-01	9.10000
1926-07-01	9.40000
1926-08-01	9.40000
1926-09-01	10.1000
1926-10-01	11.5000
1926-11-01	13.2000
1926-12-01	13.5000
1927-01-01	15.2000
1927-02-01	12.6000
1927-03-01	9.40000
1927-04-01	7.70000
1927-05-01	6.60000
1927-06-01	6.90000
1927-07-01	7.50000
1927-08-01	7.70000
1927-09-01	9.60000
1927-10-01	11.9000
1927-11-01	13.8000
1927-12-01	16.7000
1928-01-01	17.3000
1928-02-01	15.0000
1928-03-01	11.2000
1928-04-01	10.3000
1928-05-01	9.20000
1928-06-01	9.90000
1928-07-01	10.4000
1928-08-01	10.4000
1928-09-01	11.6000
1928-10-01	12.9000
1928-11-01	14.7000
1928-12-01	15.1000
1929-01-01	19.8000
1929-02-01	24.7000
1929-03-01	12.7000
1929-04-01	10.0000
1929-05-01	8.80000
1929-06-01	8.50000
1929-07-01	8.70000
1929-08-01	9.20000
1929-09-01	10.6000
1929-10-01	12.9000
1929-11-01	16.0000
1929-12-01	16.8000
1930-01-01	18.5000
1930-02-01	18.2000
1930-03-01	15.9000
1930-04-01	13.8000
1930-05-01	12.6000
1930-06-01	12.7000
1930-07-01	13.9000
1930-08-01	14.2000
1930-09-01	15.4000
1930-10-01	17.6000
1930-11-01	20.8000
1930-12-01	22.4000
1931-01-01	26.6000
1931-02-01	25.0000
1931-03-01	22.0000
1931-04-01	19.1000
1931-05-01	17.7000
1931-06-01	18.1000
1931-07-01	18.4000
1931-08-01	19.1000
1931-09-01	21.0000
1931-10-01	24.7000
1931-11-01	27.0000
1931-12-01	28.6000
1932-01-01	32.8000
1932-02-01	32.6000
1932-03-01	29.0000
1932-04-01	27.1000
1932-05-01	26.4000
1932-06-01	26.1000
1932-07-01	27.6000
1932-08-01	27.3000
1932-09-01	28.6000
1932-10-01	29.6000
1932-11-01	30.6000
1932-12-01	31.6000
1933-01-01	37.1000
1933-02-01	33.8000
1933-03-01	26.6000
1933-04-01	22.6000
1933-05-01	20.0000
1933-06-01	19.9000
1933-07-01	20.2000
1933-08-01	18.9000
1933-09-01	19.6000
1933-10-01	19.6000
1933-11-01	20.9000
1933-12-01	25.3000
1934-01-01	25.6000
1934-02-01	22.6000
1934-03-01	19.6000
1934-04-01	16.6000
1934-05-01	14.9000
1934-06-01	15.0000
1934-07-01	16.3000
1934-08-01	15.8000
1934-09-01	16.7000
1934-10-01	17.6000
1934-11-01	19.4000
1934-12-01	20.6000
1935-01-01	24.5000
1935-02-01	21.3000
1935-03-01	16.7000
1935-04-01	14.9000
1935-05-01	14.0000
1935-06-01	13.7000
1935-07-01	14.3000
1935-08-01	13.9000
1935-09-01	14.6000
1935-10-01	14.9000
1935-11-01	16.6000
1935-12-01	17.8000
1936-01-01	27.5000
1936-02-01	19.8000
1936-03-01	14.4000
1936-04-01	12.4000
1936-05-01	10.7000
1936-06-01	10.7000
1936-07-01	11.5000
1936-08-01	11.3000
1936-09-01	12.1000
1936-10-01	13.1000
1936-11-01	15.0000
1936-12-01	17.6000
1937-01-01	17.8000
1937-02-01	16.3000
1937-03-01	16.1000
1937-04-01	11.8000
1937-05-01	11.4000
1937-06-01	10.4000
1937-07-01	11.2000
1937-08-01	11.0000
1937-09-01	11.8000
1937-10-01	12.6000
1937-11-01	14.5000
1937-12-01	21.4000
1938-01-01	19.8000
1938-02-01	17.6000
1938-03-01	14.5000
1938-04-01	13.1000
1938-05-01	12.5000
1938-06-01	12.9000
1938-07-01	14.0000
1938-08-01	13.3000
1938-09-01	14.6000
1938-10-01	16.5000
1938-11-01	17.8000
1938-12-01	19.1000
1939-01-01	24.4000
1939-02-01	20.6000
1939-03-01	16.5000
1939-04-01	14.8000
1939-05-01	12.9000
1939-06-01	11.8000
1939-07-01	11.9000