Year	Thousands Of Short Tons
1837	1171.00
1838	1333.00
1839	1436.00
1840	1416.00
1841	1522.00
1842	1237.00
1843	1513.00
1844	1817.00
1845	1978.00
1846	2269.00
1847	2870.00
1848	2796.00
1849	2895.00
1850	3077.00
1851	3583.00
1852	3863.00
1853	4248.00
1854	4166.00
1855	4023.00
1856	4116.00
1857	3344.00
1858	3665.00
1859	3782.00
1860	4650.00
1861	4508.00
1862	5599.00
1863	5558.00
1864	4853.00
1865	4730.00
1866	5775.00
1867	5688.00
1868	6442.00
1869	5859.00
1870	6174.00
1871	6468.00
1872	6673.00
1873	6365.00
1874	5805.00
1875	4860.00
1876	4172.00
1877	4956.00
1878	5171.00
1879	5362.00
1880	6458.00
1881	5179.00
1882	5467.00
1883	5664.00
1884	5009.00
1885	4732.00
1886	5294.00
1887	5554.00
1888	4943.00
1889	5370.00
1890	5246.00
1891	4563.00
1892	4282.00
1893	4332.00
1894	3883.00
1895	3500.00
1896	3715.00
1897	3618.00
1898	3360.00
1899	3686.00
1900	3346.00
1901	3421.00
1902	3275.00
1903	3615.00
1904	3139.00
1905	3227.00
1906	3541.00
1907	3408.00
1908	3052.00
1909	3117.00
1910	3073.00
1911	3097.00
1912	2606.00
1913	2602.00
1914	2081.00
1915	1858.00
1916	1625.00
1917	1297.00
1918	1159.00
1919	1239.00
1920	1421.00
1921	1270.00
1922	1873.00
1923	2006.00
1924	2032.00
1925	2344.00
1926	2369.00
1927	2582.00
1928	3090.00
1929	2876.00
1930	3605.00
1931	3722.00
1932	3643.00
1933	4074.00
1934	4143.00
1935	4489.00
1936	5014.00
1937	5010.00
1938	4709.00
1939	4689.00
1940	4768.00
1941	4503.00
1942	3539.00