Month Dollars Per Net Ton 1890-09-01 22.5000 1890-10-01 22.6200 1890-11-01 22.7000 1890-12-01 22.0000 1891-01-01 22.0000 1891-02-01 22.0000 1891-03-01 22.3800 1891-04-01 22.0000 1891-05-01 21.0000 1891-06-01 20.5000 1891-07-01 20.5000 1891-08-01 20.5000 1891-09-01 20.2500 1891-10-01 20.5000 1891-11-01 20.5000 1891-12-01 20.5000 1892-01-01 19.7500 1892-02-01 19.5000 1892-03-01 19.5000 1892-04-01 18.5000 1892-05-01 17.8800 1892-06-01 17.5000 1892-07-01 17.0000 1892-08-01 17.0000 1892-09-01 17.0000 1892-10-01 17.0000 1892-11-01 16.2500 1892-12-01 16.0000