Quarter 1867-1877=100 1884-01-01 78.4000 1884-04-01 76.1000 1884-07-01 75.9000 1884-10-01 73.3000 1885-01-01 72.5000 1885-04-01 72.8000 1885-07-01 71.8000 1885-10-01 70.8000 1886-01-01 70.2000 1886-04-01 69.0000