Year	Thousands Of Metric Tons
1868	1235.00
1869	1381.00
1870	1178.00
1871	860.000
1872	1218.00
1873	1382.00
1874	1416.00
1875	1448.00
1876	1435.00
1877	1507.00
1878	1521.00
1879	1400.00
1880	1725.00
1881	1886.00
1882	2039.00
1883	2069.00
1884	1872.00
1885	1631.00
1886	1517.00
1887	1568.00
1888	1683.00
1889	1734.00
1890	1962.00
1891	1897.00
1892	2057.00
1893	2003.00
1894	2070.00
1895	2004.00
1896	2340.00
1897	2484.00
1898	2525.00
1899	2578.00
1900	2714.00
1901	2389.00
1902	2405.00
1903	2841.00
1904	2974.00
1905	3077.00
1906	3314.00
1907	3590.00
1908	3401.00
1909	3574.00
1910	4038.00
1911	4470.00
1912	4939.00
1913	5207.00
1914	2736.00
1915	584.000
1916	1311.00
1917	1408.00
1918	1293.00
1919	1333.00