Year	Tonnes
1830	181.15152
1831	398.53335
1832	543.45457
1833	724.6061
1850	1847.74555
1855	5253.3942
1858	10035.79443
1859	15108.0371
1860	21810.64349
1861	30324.76512
1862	38005.58974
1863	46048.71741
1864	55070.0633
1865	63692.87585
1866	90938.06506
1867	122204.81811
1868	148218.17696
1869	183506.49384
1870	221801.92602
1871	273502.57098
1872	326579.96752
1873	376396.63662
1874	436865.01534
1875	506463.43087
1876	592872.70783
1877	681057.26973
1878	796305.86932
1879	914561.5842
1880	1053287.4213
1881	1199404.24058
1882	1353310.57539
1883	1528484.09913
1884	1706338.66542
1885	1900062.10521
1886	2098749.09676
1887	2308993.55555
1888	2528295.59054
1889	2765133.09305
1890	3033346.03952
1891	3328659.25399
1892	3641254.32385
1893	4007651.39635
1894	4380823.53584
1895	4809609.19321
1896	5246111.90551
1897	5750800.05145
1898	6316826.10342
1899	6973464.14771
1900	7717308.53567
1901	8480970.90036
1902	9218547.44559
1903	9940037.73548
1904	10742756.36875
1905	11459283.10688
1906	12276566.32268
1907	13191997.4342
1908	14113044.24296
1909	15085320.70272
1910	16038829.86458
1911	17027409.9615
1912	18147252.45273
1913	19363757.39718
1914	20461680.554
1915	21469426.48216
1916	22543510.09842
1917	23532017.73473
1918	23926239.68132
1919	24262964.13418
1920	24570015.9674
1921	24903008.69887
1922	25309114.18543
1923	25757717.81953
1924	26292187.27602
1925	26819700.51398
1926	27584015.02416
1927	28534263.45859
1928	29589942.08001
1929	30726849.0448
1930	32272470.0781
1931	34129309.42968
1932	36221355.92006
1933	38559369.94975
1934	41387471.31256
1935	44588708.58455
1936	48259526.83712
1937	52013095.10587
1938	55974806.47572
1939	59985102.68432
1940	64792936.5926
1941	69016810.44802
1942	71923712.72378
1943	75634529.23285
1944	79109884.991
1945	82789326.05612
1946	86924435.66477
1947	91903820.0663
1948	97202465.91378
1949	103225754.08767
1950	109939809.25298
1951	117216448.5913
1952	125008717.62761
1953	133252633.64363
1954	142256444.07264
1955	152466035.27587
1956	163659895.16975
1957	175909542.37596
1958	188984660.84685
1959	202731561.62945
1960	217044234.85188
1961	231804424.79928
1962	247295923.44916
1963	263909547.09948
1964	281578160.99543
1965	300321220.81068
1966	320114923.23499
1967	340812173.23083
1968	362090919.6188
1969	384251366.70451
1970	407559915.9192
1971	432299127.41004
1972	458332739.00066
1973	485470903.89389
1974	513647864.08649
1975	543271464.11966
1976	574037876.65731
1977	605853228.97969
1978	638762881.4284
1979	671946398.75114
1980	706437974.99857
1981	740277912.98377
1982	774757678.15184
1983	809731733.36836
1984	845020557.47303
1985	883078572.46489
1986	921240532.20123
1987	961010211.71332
1988	1001872814.60016
1989	1041879512.76628
1990	1079389544.39795
1991	1115543946.71473
1992	1148572615.71473
1993	1176889189.71473
1994	1210423904.71473
1995	1244424328.71473
1996	1275095116.71473
1997	1305718233.71473
1998	1337811817.71473
1999	1375490242.71473
2000	1413029321.71473
2001	1451103782.71473
2002	1491070415.71473
2003	1535672136.71473
2004	1582213700.71473
2005	1630552094.71473
2006	1680063928.71473
2007	1736106689.71473
2008	1792937855.71473
2009	1843278431.71473
2010	1900567972.71473
2011	1963035317.71473
2012	2027908214.71473
2013	2094643947.71473
2014	2163066500.71473