Year Millions Of Long Tons 1889 7.27000 1890 9.01000 1891 7.07000 1892 9.08000 1893 6.08000 1894 7.76000 1895 10.4400 1896 9.95000 1897 12.4700 1898 14.0400 1899 18.2400 1900 19.1000 1901 20.6200 1902 27.5800 1903 24.3300 1904 21.8600 1905 34.4000 1906 38.5700 1907 42.2600 1908 26.0200 1909 42.5900 1910 43.4400 1911 32.8000 1912 48.2200 1913 49.9500 1914 32.7400 1915 47.2700