Year	Tonnes
1830	115.02227
1831	253.04899
1832	345.0668
1833	460.08907
1850	1173.22713
1855	3335.64577
1858	6372.23364
1859	9592.85713
1860	13848.68104
1861	19254.72763
1862	24131.67178
1863	29238.66047
1864	34966.76941
1865	40441.82935
1866	57741.17843
1867	77594.02185
1868	94111.2195
1869	116517.55726
1870	140833.26467
1871	173660.6199
1872	207362.14436
1873	238993.268
1874	277387.70098
1875	321579.25626
1876	376444.878
1877	432437.71795
1878	505614.88471
1879	580701.42112
1880	668785.47379
1881	761562.43498
1882	859285.35369
1883	970511.88663
1884	1083440.74914
1885	1206445.56231
1886	1332601.98561
1887	1466096.8296
1888	1605342.78697
1889	1755722.89987
1890	1926024.86955
1891	2113534.17049
1892	2312016.59577
1893	2544660.63459
1894	2781606.50622
1895	3053864.21405
1896	3331021.8705
1897	3651473.90854
1898	4010872.48645
1899	4427805.20271
1900	4900109.63867
1901	5384997.51073
1902	5853322.17623
1903	6311432.86435
1904	6821119.53734
1905	7276078.61533
1906	7795013.07865
1907	8376266.60666
1908	8961085.82497
1909	9578433.3406
1910	10183864.5493
1911	10811564.06904
1912	11522608.72401
1913	12295029.26107
1914	12992156.22164
1915	13632025.09731
1916	14314015.12744
1917	14941668.63827
1918	15191980.09742
1919	15405783.48877
1920	15600746.23266
1921	15812180.1653
1922	16070037.08521
1923	16354878.22914
1924	16694239.92801
1925	17029184.77179
1926	17514486.72401
1927	18117847.53189
1928	18788151.29961
1929	19510031.05221
1930	20491424.04537
1931	21670425.29459
1932	22998771.45629
1933	24483294.85319
1934	26278999.49334
1935	28311627.00067
1936	30642415.23054
1937	33025745.63234
1938	35541236.61981
1939	38087576.57951
1940	41140313.57534
1941	43822264.78875
1942	45668004.11539
1943	48024189.26198
1944	50230868.46492
1945	52567131.75474
1946	55192722.05694
1947	58354385.14036
1948	61718763.46851
1949	65543253.87225
1950	69806347.18749
1951	74426653.65756
1952	79374359.51064
1953	84608838.88175
1954	90325813.66175
1955	96808399.66056
1956	103915947.64914
1957	111693868.4188
1958	119995922.65828
1959	128724525.47561
1960	137812365.83967
1961	147184357.21406
1962	157020693.48349
1963	167569523.68846
1964	178788220.57654
1965	190689137.53928
1966	203257160.6507
1967	216398891.82937
1968	229909844.48761
1969	243980633.5276
1970	258780410.69634
1971	274488587.7271
1972	291018644.87008
1973	308250038.78863
1974	326141016.39954
1975	344950538.8365
1976	364485690.75199
1977	384686867.60684
1978	405582870.97691
1979	426652765.01141
1980	448553211.83711
1981	470039900.56114
1982	491932847.93498
1983	514139645.06868
1984	536546304.89489
1985	560711264.11976
1986	584942223.12189
1987	610194004.75058
1988	636139738.72525
1989	661542015.4891
1990	685359032.35393
1991	708315291.58005
1992	729286864.58005
1993	744915618.58005
1994	757005717.58005
1995	768197401.58005
1996	779719115.58005
1997	786818427.58005
1998	793088997.58005
1999	797592073.58005
2000	801105059.58005
2001	804819730.58005
2002	808805759.58005
2003	813096149.58005
2004	817650563.58005
2005	822546008.58005
2006	827540462.58005
2007	832219554.58005
2008	836997655.58005
2009	841548402.58005
2010	846480517.58005
2011	851518975.58005
2012	856443756.58005
2013	861441877.58005
2014	866373992.58005