Year	Tonnes
1830	61.52354
1831	135.35178
1832	184.57062
1833	246.09415
1850	627.54009
1855	1784.18262
1858	3408.40404
1859	5131.06312
1860	7407.43405
1861	10299.04036
1862	12907.63839
1863	15639.28351
1864	18703.15573
1865	21631.67617
1866	30884.81637
1867	41503.77913
1868	50338.55927
1869	62323.34458
1870	75329.42064
1871	92888.23855
1872	110914.63535
1873	127833.60846
1874	148370.16564
1875	172007.50916
1876	201354.23707
1877	231303.89565
1878	270445.17089
1879	310607.73688
1880	357722.46272
1881	407347.34894
1882	459617.74732
1883	519111.00913
1884	579514.81931
1885	645308.09147
1886	712787.10858
1887	784191.32746
1888	858671.72327
1889	939107.59761
1890	1030199.34883
1891	1130495.02142
1892	1236660.0396
1893	1361097.54873
1894	1487836.03821
1895	1633462.25403
1896	1781709.37259
1897	1953113.95108
1898	2145350.39973
1899	2368360.92238
1900	2620988.8765
1901	2880347.50574
1902	3130846.74543
1903	3375882.69489
1904	3648505.79904
1905	3891856.00355
1906	4169425.60021
1907	4480328.65007
1908	4793138.92963
1909	5123348.0659
1910	5447183.36358
1911	5782929.61832
1912	6163255.82912
1913	6576411.00011
1914	6949292.86274
1915	7291548.30786
1916	7656333.67282
1917	7992055.31815
1918	8125942.8428
1919	8240302.79632
1920	8344585.19421
1921	8457677.76283
1922	8595601.23162
1923	8747958.12256
1924	8929477.17079
1925	9108633.71514
1926	9368213.82912
1927	9690941.7031
1928	10049476.27654
1929	10435598.00467
1930	10960529.14055
1931	11591157.71571
1932	12301668.45336
1933	13095715.8517
1934	14056209.03132
1935	15143428.39571
1936	16390129.0768
1937	17664933.71032
1938	19010428.88967
1939	20372424.68206
1940	22005284.00541
1941	23439816.0498
1942	24427071.96869
1943	25687357.04711
1944	26867673.83007
1945	28117303.0316
1946	29521688.54208
1947	31212810.65647
1948	33012361.85525
1949	35058019.51307
1950	37338278.72819
1951	39809605.44474
1952	42456052.7615
1953	45255890.56466
1954	48313807.30745
1955	51781237.02774
1956	55582948.74256
1957	59743231.94494
1958	64183865.60792
1959	68852653.16137
1960	73713591.03052
1961	78726516.64938
1962	83987812.79349
1963	89630210.34499
1964	95630908.68047
1965	101996515.42799
1966	108718946.39456
1967	115748244.46687
1968	122975033.09802
1969	130501269.09616
1970	138417428.97711
1971	146819477.15636
1972	155661135.62818
1973	164877927.72415
1974	174447520.39975
1975	184508427.74976
1976	194957462.49525
1977	205762743.13854
1978	216939675.1737
1979	228209618.49448
1980	239923810.98264
1981	251416690.99782
1982	263126872.15127
1983	275004926.43209
1984	286989884.01354
1985	299915327.31987
1986	312876072.83264
1987	326382839.75031
1988	340260790.48095
1989	353848054.7965
1990	366587389.39862
1991	378866318.75212
1992	390083671.75212
1993	398704788.75212
1994	404931354.75212
1995	409460099.75212
1996	415154950.75212
1997	420765460.75212
1998	426720668.75212
1999	431392426.75212
2000	436027514.75212
2001	439921868.75212
2002	444879652.75212
2003	450317813.75212
2004	456192347.75212
2005	461784522.75212
2006	467292356.75212
2007	473922292.75212
2008	481582655.75212
2009	488373939.75212
2010	494758186.75212
2011	502414882.75212
2012	512546803.75212
2013	522389031.75212
2014	531996571.75212