observation_date,M0892AUSM156SNBR 1929-04-01,0.69 1929-05-01,1.65 1929-06-01,2.06 1929-07-01,0.79 1929-08-01,0.04 1929-09-01,0.91 1929-10-01,2.31 1929-11-01,1.89 1929-12-01,2.08 1930-01-01,2.21 1930-02-01,3.12 1930-03-01,3.63 1930-04-01,3.60 1930-05-01,3.39 1930-06-01,3.77 1930-07-01,5.02 1930-08-01,6.64 1930-09-01,7.79 1930-10-01,9.01 1930-11-01,10.78 1930-12-01,11.89 1931-01-01,11.18 1931-02-01,11.67 1931-03-01,11.78 1931-04-01,11.94 1931-05-01,12.30 1931-06-01,13.02 1931-07-01,13.84 1931-08-01,15.01 1931-09-01,15.83 1931-10-01,16.75 1931-11-01,17.95 1931-12-01,19.10 1932-01-01,18.04 1932-02-01,18.66 1932-03-01,19.78 1932-04-01,21.03 1932-05-01,22.34 1932-06-01,23.72 1932-07-01,24.54 1932-08-01,25.02 1932-09-01,24.85 1932-10-01,24.82 1932-11-01,24.67 1932-12-01,25.20 1933-01-01,23.72 1933-02-01,24.03 1933-03-01,25.36 1933-04-01,25.49 1933-05-01,25.59 1933-06-01,25.04 1933-07-01,23.84 1933-08-01,22.45 1933-09-01,21.48 1933-10-01,21.26 1933-11-01,21.29 1933-12-01,21.07 1934-01-01,18.80 1934-02-01,17.90 1934-03-01,16.81 1934-04-01,16.64 1934-05-01,16.96 1934-06-01,17.69 1934-07-01,18.79 1934-08-01,20.27 1934-09-01,21.51 1934-10-01,21.54 1934-11-01,21.41 1934-12-01,20.44 1935-01-01,17.88 1935-02-01,17.50 1935-03-01,17.54 1935-04-01,17.55 1935-05-01,17.77 1935-06-01,18.14 1935-07-01,17.72 1935-08-01,17.77 1935-09-01,18.41 1935-10-01,17.45 1935-11-01,16.80 1935-12-01,16.44 1936-01-01,14.96 1936-02-01,15.10 1936-03-01,14.86 1936-04-01,15.57 1936-05-01,14.67 1936-06-01,14.85 1936-07-01,14.25 1936-08-01,13.46 1936-09-01,13.31 1936-10-01,13.81 1936-11-01,13.24 1936-12-01,12.78 1937-01-01,12.11 1937-02-01,11.99 1937-03-01,11.73 1937-04-01,11.85 1937-05-01,11.23 1937-06-01,11.50 1937-07-01,10.97 1937-08-01,11.14 1937-09-01,11.63 1937-10-01,12.19 1937-11-01,13.70 1937-12-01,15.91 1938-01-01,16.88 1938-02-01,17.88 1938-03-01,18.49 1938-04-01,18.96 1938-05-01,19.74 1938-06-01,20.00 1938-07-01,19.58 1938-08-01,19.18 1938-09-01,18.60 1938-10-01,18.22 1938-11-01,17.14 1938-12-01,16.36 1939-01-01,17.61 1939-02-01,17.43 1939-03-01,17.19 1939-04-01,17.39 1939-05-01,16.90 1939-06-01,16.29 1939-07-01,16.18 1939-08-01,15.79 1939-09-01,15.22 1939-10-01,15.48 1939-11-01,15.49 1939-12-01,15.19 1940-01-01,15.53 1940-02-01,15.67 1940-03-01,15.66 1940-04-01,16.00 1940-05-01,15.57 1940-06-01,14.96 1940-07-01,14.24 1940-08-01,13.35 1940-09-01,12.55 1940-10-01,12.26 1940-11-01,11.65 1940-12-01,10.85 1941-01-01,10.49 1941-02-01,9.64 1941-03-01,9.10 1941-04-01,7.98 1941-05-01,6.84 1941-06-01,5.66 1941-07-01,3.88 1941-08-01,3.36 1941-09-01,3.43 1941-10-01,4.13 1941-11-01,3.93 1941-12-01,3.58 1942-01-01,3.72 1942-02-01,3.56 1942-03-01,3.22 1942-04-01,2.33 1942-05-01,1.22 1942-06-01,0.24