Year	Millions Of Metric Tons
1870	26.4000
1871	29.4000
1872	33.3000
1873	36.4000
1874	35.9000
1875	37.4000
1876	38.5000
1877	37.5000
1878	39.6000
1879	42.0000
1880	47.0000
1881	48.7000
1882	52.1000
1883	55.9000
1884	57.2000
1885	58.3000
1886	58.1000
1887	60.3000
1888	65.4000
1889	67.3000
1890	70.2000
1891	73.7000
1892	71.4000
1893	73.9000
1894	76.7000
1895	79.2000
1896	85.7000
1897	91.1000
1898	96.3000
1899	101.600
1900	109.300
1901	108.500
1902	107.500
1903	116.600
1904	120.800
1905	121.300
1906	137.100
1907	143.200
1908	147.700
1909	148.800
1910	152.800
1911	160.700