Month Thousands 1920-11-01 21.0000 1920-12-01 16.0000 1921-01-01 21.0000 1921-02-01 23.0000 1921-03-01 29.0000 1921-04-01 29.0000 1921-05-01 36.0000 1921-06-01 29.0000 1921-07-01 36.0000 1921-08-01 56.0000 1921-09-01 38.0000 1921-10-01 47.0000 1921-11-01 44.0000 1921-12-01 41.0000 1922-01-01 41.0000 1922-02-01 40.0000 1922-03-01 50.0000 1922-04-01 47.0000 1922-05-01 58.0000 1922-06-01 67.0000 1922-07-01 72.0000 1922-08-01 85.0000 1922-09-01 84.0000 1922-10-01 87.0000 1922-11-01 87.0000 1922-12-01 78.0000 1923-01-01 85.0000 1923-02-01 78.0000 1923-03-01 83.0000 1923-04-01 73.0000 1923-05-01 79.0000 1923-06-01 74.0000 1923-07-01 43.0000 1923-08-01 50.0000 1923-09-01 39.0000 1923-10-01 38.0000 1923-11-01 34.0000 1923-12-01 37.0000 1924-01-01 56.0000 1924-02-01 62.0000 1924-03-01 70.0000 1924-04-01 72.0000 1924-05-01 66.0000 1924-06-01 52.0000 1924-07-01 43.0000 1924-08-01 54.0000 1924-09-01 55.0000 1924-10-01 59.0000 1924-11-01 51.0000 1924-12-01 59.0000 1925-01-01 54.0000 1925-02-01 55.0000 1925-03-01 58.0000 1925-04-01 68.0000 1925-05-01 77.0000 1925-06-01 87.0000 1925-07-01 78.0000 1925-08-01 77.0000 1925-09-01 67.0000 1925-10-01 53.0000 1925-11-01 49.0000 1925-12-01 59.0000 1926-01-01 60.0000 1926-02-01 61.0000 1926-03-01 59.0000 1926-04-01 51.0000 1926-05-01 45.0000 1926-06-01 43.0000 1926-07-01 35.0000 1926-08-01 44.0000 1926-09-01 44.0000 1926-10-01 45.0000 1926-11-01 45.0000 1926-12-01 46.0000 1927-01-01 44.0000 1927-02-01 46.0000 1927-03-01 57.0000 1927-04-01 64.0000 1927-05-01 65.0000 1927-06-01 62.0000 1927-07-01 48.0000 1927-08-01 49.0000 1927-09-01 36.0000 1927-10-01 34.0000 1927-11-01 32.0000 1927-12-01 33.0000 1928-01-01 37.0000 1928-02-01 37.0000 1928-03-01 44.0000 1928-04-01 44.0000 1928-05-01 47.0000 1928-06-01 49.0000 1928-07-01 46.0000 1928-08-01 52.0000 1928-09-01 43.0000 1928-10-01 47.0000 1928-11-01 36.0000 1928-12-01 32.0000 1929-01-01 31.9000 1929-02-01 30.2000 1929-03-01 35.9000 1929-04-01 38.9000 1929-05-01 40.0000 1929-06-01 40.1000 1929-07-01 38.6000 1929-08-01 32.0000 1929-09-01 27.9000 1929-10-01 34.6000 1929-11-01 30.5000 1929-12-01 28.5000 1930-01-01 25.0000 1930-02-01 22.3000 1930-03-01 19.3000 1930-04-01 17.3000 1930-05-01 16.8000 1930-06-01 16.6000 1930-07-01 12.9000 1930-08-01 16.1000 1930-09-01 14.4000 1930-10-01 17.6000 1930-11-01 13.1000 1930-12-01 13.0000 1931-01-01 12.6000 1931-02-01 11.4000 1931-03-01 11.4000 1931-04-01 11.6000 1931-05-01 11.4000 1931-06-01 11.8000 1931-07-01 13.4000 1931-08-01 11.6000 1931-09-01 10.4000 1931-10-01 11.1000 1931-11-01 9.30000 1931-12-01 10.3000 1932-01-01 8.50000 1932-02-01 9.80000 1932-03-01 8.80000 1932-04-01 8.00000 1932-05-01 8.00000 1932-06-01 11.2000 1932-07-01 9.70000 1932-08-01 7.70000 1932-09-01 6.80000 1932-10-01 6.50000 1932-11-01 5.60000 1932-12-01 6.60000 1933-01-01 5.50000 1933-02-01 6.80000 1933-03-01 6.80000 1933-04-01 7.10000 1933-05-01 9.20000 1933-06-01 14.8000 1933-07-01 15.0000 1933-08-01 16.4000 1933-09-01 14.5000 1933-10-01 12.0000 1933-11-01 11.4000 1933-12-01 11.4000 1934-01-01 13.8000 1934-02-01 12.4000 1934-03-01 15.0000 1934-04-01 16.2000 1934-05-01 18.6000 1934-06-01 21.4000 1934-07-01 18.3000 1934-08-01 17.9000 1934-09-01 14.7000 1934-10-01 16.6000 1934-11-01 16.2000 1934-12-01 16.4000 1935-01-01 21.5000 1935-02-01 17.7000 1935-03-01 17.6000 1935-04-01 20.0000 1935-05-01 22.5000 1935-06-01 16.1000 1935-07-01 21.9000 1935-08-01 31.0000 1935-09-01 28.5000 1935-10-01 32.2000 1935-11-01 27.2000 1935-12-01 26.5000 1936-01-01 25.9000 1936-02-01 14.8000 1936-03-01 16.3000 1936-04-01 33.4000 1936-05-01 30.2000 1936-06-01 37.4000 1936-07-01 38.9000 1936-08-01 33.6000 1936-09-01 40.8000 1936-10-01 43.6000 1936-11-01 35.7000 1936-12-01 41.0000 1937-01-01 38.0000 1937-02-01 42.7000 1937-03-01 49.1000 1937-04-01 49.5000 1937-05-01 52.8000 1937-06-01 48.1000 1937-07-01 45.6000 1937-08-01 35.5000 1937-09-01 56.9000 1937-10-01 42.9000 1937-11-01 30.8000 1937-12-01 27.1000