Year Millions Of Ton-Miles 1865 513.000 1866 577.000 1867 768.000 1868 894.000 1869 1055.00 1870 1235.00 1871 1233.00 1872 1337.00 1873 1719.00 1874 1852.00 1875 1905.00 1876 1995.00 1877 2211.00 1878 2823.00 1879 3471.00 1880 4168.00 1881 4499.00 1882 5040.00 1883 5768.00 1884 6093.00 1885 6500.00 1886 6806.00 1887 7776.00 1888 7969.00 1889 7539.00 1890 8688.00