Month Percentage Of 1913 Average 1919-01-01 162.000 1919-02-01 166.000 1919-03-01 169.000 1919-04-01 182.000 1919-05-01 196.000 1919-06-01 202.000 1919-07-01 225.000 1919-08-01 220.000 1919-09-01 223.000 1919-10-01 261.000 1919-11-01 258.000 1919-12-01 268.000 1920-01-01 295.000 1920-02-01 269.000 1920-03-01 250.000 1920-04-01 235.000 1920-05-01 222.000 1920-06-01 221.000 1920-07-01 219.000 1920-08-01 222.000 1920-09-01 222.000 1920-10-01 218.000 1920-11-01 182.000 1920-12-01 176.000 1921-01-01 170.000 1921-02-01 158.000 1921-03-01 173.000 1921-04-01 186.000 1921-05-01 166.000 1921-06-01 166.000 1921-07-01 156.000 1921-08-01 148.000 1921-09-01 141.000 1921-10-01 139.000 1921-11-01 146.000 1921-12-01 152.000 1922-01-01 141.000 1922-02-01 146.000 1922-03-01 149.000 1922-04-01 162.000 1922-05-01 157.000 1922-06-01 151.000 1922-07-01 144.000 1922-08-01 147.000 1922-09-01 153.000 1922-10-01 153.000 1922-11-01 151.000 1922-12-01 154.000 1923-01-01 159.000 1923-02-01 161.000 1923-03-01 169.000 1923-04-01 169.000 1923-05-01 161.000 1923-06-01 160.000 1923-07-01 147.000 1923-08-01 148.000 1923-09-01 152.000 1923-10-01 143.000 1923-11-01 145.000 1923-12-01 138.000 1924-01-01 145.000 1924-02-01 158.000 1924-03-01 156.000 1924-04-01 158.000 1924-05-01 155.000 1924-06-01 152.000 1924-07-01 155.000 1924-08-01 154.000 1924-09-01 157.000 1924-10-01 159.000 1924-11-01 166.000 1924-12-01 171.000 1925-01-01 183.000 1925-02-01 187.000 1925-03-01 184.000 1925-04-01 182.000 1925-05-01 186.000 1925-06-01 191.000 1925-07-01 193.000 1925-08-01 196.000 1925-09-01 198.000 1925-10-01 205.000 1925-11-01 211.000 1925-12-01 212.000 1926-01-01 213.000 1926-02-01 202.000 1926-03-01 199.000 1926-04-01 196.000 1926-05-01 208.000 1926-06-01 217.000 1926-07-01 218.000 1926-08-01 215.000 1926-09-01 223.000 1926-10-01 226.000 1926-11-01 225.000 1926-12-01 220.000 1927-01-01 237.000 1927-02-01 235.000 1927-03-01 241.000 1927-04-01 226.000 1927-05-01 220.000 1927-06-01 214.000 1927-07-01 206.000 1927-08-01 208.000 1927-09-01 206.000 1927-10-01 198.000 1927-11-01 200.000 1927-12-01 196.000 1928-01-01 194.000 1928-02-01 193.000 1928-03-01 194.000 1928-04-01 196.000 1928-05-01 197.000 1928-06-01 197.000 1928-07-01 190.000 1928-08-01 204.000 1928-09-01 201.000 1928-10-01 210.000 1928-11-01 206.000 1928-12-01 204.000 1929-01-01 217.000 1929-02-01 209.000 1929-03-01 207.000 1929-04-01 207.000 1929-05-01 208.000 1929-06-01 214.000 1929-07-01 210.000 1929-08-01 211.000 1929-09-01 211.000 1929-10-01 202.000 1929-11-01 182.000 1929-12-01 183.000 1930-01-01 184.000 1930-02-01 192.000 1930-03-01 182.000 1930-04-01 192.000 1930-05-01 187.000 1930-06-01 176.000 1930-07-01 172.000 1930-08-01 164.000 1930-09-01 165.000 1930-10-01 152.000 1930-11-01 153.000 1930-12-01 142.000