Month 1914=100 1915-01-01 103.000 1915-02-01 103.000 1915-03-01 105.000 1915-04-01 104.000 1915-05-01 105.000 1915-06-01 106.000 1915-07-01 105.000 1915-08-01 107.000 1915-09-01 106.000 1915-10-01 110.000 1915-11-01 112.000 1915-12-01 112.000 1916-01-01 124.000 1916-02-01 131.000 1916-03-01 131.000 1916-04-01 131.000 1916-05-01 135.000 1916-06-01 135.000 1916-07-01 126.000 1916-08-01 134.000 1916-09-01 135.000 1916-10-01 135.000 1916-11-01 139.000 1916-12-01 145.000 1917-01-01 136.000 1917-02-01 136.000 1917-03-01 140.000 1917-04-01 136.000 1917-05-01 147.000 1917-06-01 149.000 1917-07-01 145.000 1917-08-01 149.000 1917-09-01 151.000 1917-10-01 160.000 1917-11-01 169.000 1917-12-01 171.000 1918-01-01 160.000 1918-02-01 161.000 1918-03-01 177.000 1918-04-01 181.000 1918-05-01 191.000 1918-06-01 193.000 1918-07-01 199.000 1918-08-01 204.000 1918-09-01 206.000 1918-10-01 207.000 1918-11-01 201.000 1918-12-01 225.000 1919-01-01 199.000 1919-02-01 189.000 1919-03-01 192.000 1919-04-01 195.000 1919-05-01 199.000 1919-06-01 209.000 1919-07-01 210.000 1919-08-01 216.000 1919-09-01 226.000 1919-10-01 226.000 1919-11-01 230.000 1919-12-01 249.000 1920-01-01 257.000 1920-02-01 250.000 1920-03-01 263.000 1920-04-01 260.000 1920-05-01 265.000 1920-06-01 270.000 1920-07-01 262.000 1920-08-01 268.000 1920-09-01 267.000 1920-10-01 253.000 1920-11-01 246.000 1920-12-01 244.000 1921-01-01 187.000 1921-02-01 189.000 1921-03-01 192.000 1921-04-01 191.000 1921-05-01 188.000 1921-06-01 188.000 1921-07-01 178.000 1921-08-01 180.000 1921-09-01 176.000 1921-10-01 170.000 1921-11-01 168.000 1921-12-01 178.000 1922-01-01 195.000 1922-02-01 200.000 1922-03-01 197.000 1922-04-01 192.000 1922-05-01 197.000 1922-06-01 203.000 1922-07-01 189.000 1922-08-01 201.000 1922-09-01 204.000 1922-10-01 206.000 1922-11-01 211.000 1922-12-01 214.000 1923-01-01 230.000 1923-02-01 234.000 1923-03-01 241.000 1923-04-01 241.000 1923-05-01 251.000 1923-06-01 251.000 1923-07-01 242.000 1923-08-01 243.000 1923-09-01 245.000 1923-10-01 250.000 1923-11-01 245.000 1923-12-01 250.000 1924-01-01 225.000 1924-02-01 233.000 1924-03-01 228.000 1924-04-01 224.000 1924-05-01 221.000 1924-06-01 218.000 1924-07-01 208.000 1924-08-01 219.000 1924-09-01 221.000 1924-10-01 229.000 1924-11-01 223.000 1924-12-01 229.000 1925-01-01 249.000 1925-02-01 259.000 1925-03-01 261.000 1925-04-01 253.000 1925-05-01 259.000 1925-06-01 253.000 1925-07-01 249.000 1925-08-01 253.000 1925-09-01 246.000 1925-10-01 259.000 1925-11-01 259.000 1925-12-01 261.000 1926-01-01 253.000 1926-02-01 261.000 1926-03-01 263.000 1926-04-01 260.000 1926-05-01 260.000 1926-06-01 260.000 1926-07-01 253.000 1926-08-01 260.000 1926-09-01 256.000 1926-10-01 265.000 1926-11-01 260.000 1926-12-01 262.000 1927-01-01 253.000 1927-02-01 263.000 1927-03-01 266.000 1927-04-01 265.000 1927-05-01 265.000 1927-06-01 260.000 1927-07-01 254.000 1927-08-01 259.000 1927-09-01 255.000 1927-10-01 259.000 1927-11-01 254.000 1927-12-01 260.000 1928-01-01 253.000 1928-02-01 261.000 1928-03-01 264.000 1928-04-01 261.000 1928-05-01 261.000 1928-06-01 261.000 1928-07-01 256.000 1928-08-01 259.000 1928-09-01 259.000 1928-10-01 267.000 1928-11-01 259.000 1928-12-01 264.000