Quarter July, 1914=100 1914-07-01 100.000 1914-10-01 100.000 1915-01-01 122.000 1915-04-01 116.000 1915-07-01 122.000 1915-10-01 120.000 1916-01-01 137.000 1916-04-01 135.000 1916-07-01 132.000 1916-10-01 138.000 1917-01-01 139.000 1917-04-01 147.000 1917-07-01 183.000 1917-10-01 184.000 1918-01-01 191.000 1918-04-01 218.000 1918-07-01 206.000 1918-10-01 237.000 1919-01-01 240.000 1919-04-01 262.000 1919-07-01 252.000 1919-10-01 282.000 1920-01-01 308.000 1920-04-01 368.000 1920-07-01 384.000 1920-10-01 423.000 1921-01-01 383.000 1921-04-01 319.000 1921-07-01 317.000 1921-10-01 326.000 1922-01-01 306.000 1922-04-01 309.000 1922-07-01 292.000 1922-10-01 297.000 1923-01-01 315.000 1923-04-01 326.000 1923-07-01 329.000 1923-10-01 356.000 1924-01-01 384.000 1924-04-01 376.000 1924-07-01 366.000 1924-10-01 394.000 1925-01-01 411.000 1925-04-01 416.000 1925-07-01 425.000 1925-10-01 446.000 1926-01-01 490.000 1926-04-01 523.000 1926-07-01 583.000 1926-10-01 617.000 1927-01-01 586.000 1927-04-01 583.000 1927-07-01 542.000 1927-10-01 514.000 1928-01-01 525.000 1928-04-01 545.000 1928-07-01 543.000 1928-10-01 582.000 1929-01-01 602.000 1929-04-01 621.000 1929-07-01 604.000 1929-10-01 614.000 1930-01-01 599.000 1930-04-01 589.000 1930-07-01 621.000 1930-10-01 644.000 1931-01-01 648.000 1931-04-01 635.000 1931-07-01 599.000 1931-10-01 561.000 1932-01-01 563.000 1932-04-01 558.000 1932-07-01 515.000 1932-10-01 505.000 1933-01-01 501.000 1933-04-01 480.000 1933-07-01 474.000 1933-10-01 507.000