Month Number Per 100 Persons 1919-01-01 1.87000 1919-02-01 1.15000 1919-03-01 0.590000 1919-04-01 0.820000 1919-05-01 1.10000 1919-06-01 0.780000 1919-07-01 1.10000 1919-08-01 1.32000 1919-09-01 1.27000 1919-10-01 1.53000 1919-11-01 1.07000 1919-12-01 0.810000 1920-01-01 1.36000 1920-02-01 1.03000 1920-03-01 1.19000 1920-04-01 1.07000 1920-05-01 1.15000 1920-06-01 0.940000 1920-07-01 1.27000 1920-08-01 1.02000 1920-09-01 1.11000 1920-10-01 1.32000 1920-11-01 0.700000 1920-12-01 0.720000 1921-01-01 0.550000 1921-02-01 0.420000 1921-03-01 0.470000 1921-04-01 0.410000 1921-05-01 0.250000 1921-06-01 0.490000 1921-07-01 0.380000 1921-08-01 0.340000 1921-09-01 0.250000 1921-10-01 0.210000 1921-11-01 0.210000 1921-12-01 0.210000 1922-01-01 0.380000 1922-02-01 0.230000 1922-03-01 0.590000 1922-04-01 0.700000 1922-05-01 0.590000 1922-06-01 0.660000 1922-07-01 0.760000 1922-08-01 0.850000 1922-09-01 0.740000 1922-10-01 0.760000 1922-11-01 0.940000 1922-12-01 0.850000 1923-01-01 0.980000 1923-02-01 0.810000 1923-03-01 1.40000 1923-04-01 1.07000 1923-05-01 1.23000 1923-06-01 0.940000 1923-07-01 1.06000 1923-08-01 1.06000 1923-09-01 1.03000 1923-10-01 1.06000 1923-11-01 0.700000 1923-12-01 0.380000 1924-01-01 0.550000 1924-02-01 0.440000 1924-03-01 0.640000 1924-04-01 0.620000 1924-05-01 0.720000 1924-06-01 0.490000 1924-07-01 0.380000 1924-08-01 0.550000 1924-09-01 0.620000 1924-10-01 0.470000 1924-11-01 0.450000 1924-12-01 0.380000 1925-01-01 0.550000 1925-02-01 0.540000 1925-03-01 0.550000 1925-04-01 0.620000 1925-05-01 0.550000 1925-06-01 0.490000 1925-07-01 0.470000 1925-08-01 0.380000 1925-09-01 0.700000 1925-10-01 0.640000 1925-11-01 0.450000 1925-12-01 0.470000 1926-01-01 0.600000 1926-02-01 0.500000 1926-03-01 0.700000 1926-04-01 0.700000 1926-05-01 0.600000 1926-06-01 0.400000 1926-07-01 0.600000 1926-08-01 0.600000 1926-09-01 0.500000 1926-10-01 0.600000 1926-11-01 0.500000 1926-12-01 0.300000 1927-01-01 0.460000 1927-02-01 0.420000 1927-03-01 0.540000 1927-04-01 0.510000 1927-05-01 0.440000 1927-06-01 0.560000 1927-07-01 0.450000 1927-08-01 0.420000 1927-09-01 0.490000 1927-10-01 0.490000 1927-11-01 0.350000 1927-12-01 0.320000 1928-01-01 0.310000 1928-02-01 0.360000 1928-03-01 0.370000 1928-04-01 0.420000 1928-05-01 0.420000 1928-06-01 0.400000 1928-07-01 0.420000 1928-08-01 0.450000 1928-09-01 0.440000 1928-10-01 0.450000 1928-11-01 0.400000 1928-12-01 0.370000 1929-01-01 0.450000 1929-02-01 0.460000 1929-03-01 0.570000 1929-04-01 0.570000 1929-05-01 0.480000 1929-06-01 0.510000 1929-07-01 0.490000 1929-08-01 0.450000 1929-09-01 0.500000 1929-10-01 0.400000 1929-11-01 0.300000 1929-12-01 0.200000 1930-01-01 0.240000 1930-02-01 0.250000 1930-03-01 0.300000 1930-04-01 0.270000 1930-05-01 0.260000 1930-06-01 0.200000 1930-07-01 0.180000 1930-08-01 0.130000 1930-09-01 0.160000 1930-10-01 0.100000 1930-11-01 0.800000E-01 1930-12-01 0.700000E-01