Year	Thousand Long Tons
1849	83.0000
1850	181.000
1851	247.000
1852	319.000
1853	399.000
1854	399.000
1855	261.000
1856	328.000
1857	337.000
1858	228.000
1859	249.000
1860	314.000
1861	247.000
1862	200.000
1863	264.000
1864	427.000
1865	375.000
1866	490.000
1867	558.000
1868	676.000
1869	810.000
1870	910.000
1871	1198.00
1872	1366.00
1873	1025.00
1874	747.000
1875	724.000
1876	782.000
1877	676.000
1878	780.000
1879	1030.00
1880	1564.00
1881	1991.00
1882	1705.00
1883	1247.00
1884	1019.00
1885	971.000
1886	1539.00
1887	2277.00
1888	1460.00
1889	1519.00
1890	1869.00
1891	1296.00
1892	1544.00
1893	1119.00
1894	1009.00
1895	1292.00
1896	1057.00
1897	1500.00
1898	1680.00
1899	1997.00
1900	2026.00
1901	2558.00
1902	2944.00
1903	3057.00
1904	1906.00
1905	3098.00
1906	3655.00
1907	3298.00
1908	1726.00
1909	2726.00
1910	3291.00
1911	2405.00
1912	2885.00
1913	3053.00
1914	1793.00
1915	1891.00
1916	2340.00
1917	2441.00
1918	2096.00
1919	1568.00
1920	2055.00
1921	1879.00
1922	1921.00
1923	2667.00
1924	2268.00
1925	2670.00
1926	3085.00
1927	2644.00
1928	2471.00
1929	2582.00
1930	1786.00
1931	1130.00
1932	397.000
1933	381.000
1934	944.000
1935	666.000
1936	1154.00
1937	1306.00
1938	544.000
1939	1121.00
1940	1243.00
1941	1577.00
1942	1655.00
1943	1626.00
1944	1948.00
1945	1890.00
1946	1416.00
1947	1742.00
1948	1657.00
1949	1487.00
1950	1535.00
1951	1571.00
1952	1168.00
1953	1602.00
1954	1130.00
1955	1057.00
1956	1191.00
1957	963.000
1958	381.000
1959	498.000
1960	523.000
1961	337.000