Month Not Specified 1928-01-01 2141.00 1928-02-01 1856.00 1928-03-01 4277.00 1928-04-01 3672.00 1928-05-01 3648.00 1928-06-01 4196.00 1928-07-01 2895.00 1928-08-01 3071.00 1928-09-01 3187.00 1928-10-01 3453.00 1928-11-01 2471.00 1928-12-01 1673.00 1929-01-01 2420.00 1929-02-01 3374.00 1929-03-01 4239.00 1929-04-01 4582.00 1929-05-01 4583.00 1929-06-01 3756.00 1929-07-01 3324.00 1929-08-01 2903.00 1929-09-01 3011.00 1929-10-01 3308.00 1929-11-01 2326.00 1929-12-01 2035.00 1930-01-01 2383.00 1930-02-01 1356.00 1930-03-01 2240.00 1930-04-01 2727.00 1930-05-01 2714.00 1930-06-01 2384.00 1930-07-01 2151.00 1930-08-01 2545.00 1930-09-01 3506.00 1930-10-01 3259.00 1930-11-01 1484.00 1930-12-01 1126.00 1931-01-01 1395.00 1931-02-01 1381.00 1931-03-01 1456.00 1931-04-01 2202.00 1931-05-01 2230.00 1931-06-01 2006.00 1931-07-01 2017.00 1931-08-01 2237.00 1931-09-01 2597.00 1931-10-01 2302.00 1931-11-01 1765.00 1931-12-01 977.000 1932-01-01 1759.00 1932-02-01 1724.00 1932-03-01 1875.00 1932-04-01 2274.00 1932-05-01 1610.00 1932-06-01 1529.00 1932-07-01 1707.00 1932-08-01 2799.00 1932-09-01 3103.00 1932-10-01 2573.00 1932-11-01 1202.00 1932-12-01 608.000 1933-01-01 840.000 1933-02-01 1694.00 1933-03-01 2731.00 1933-04-01 2244.00 1933-05-01 2821.00 1933-06-01 2047.00 1933-07-01 2714.00 1933-08-01 1802.00 1933-09-01 2076.00 1933-10-01 2582.00 1933-11-01 1561.00 1933-12-01 830.000 1934-01-01 1046.00 1934-02-01 1006.00 1934-03-01 2161.00 1934-04-01 2873.00 1934-05-01 2334.00 1934-06-01 1265.00 1934-07-01 1617.00 1934-08-01 3666.00 1934-09-01 1941.00 1934-10-01 2317.00 1934-11-01 1871.00 1934-12-01 1299.00