Year	Tonnes
1830	479.45722
1831	1054.80588
1832	1438.37166
1833	1917.82888
1850	4890.46364
1855	13904.25938
1858	26561.92999
1859	39986.73215
1860	57726.6493
1861	80261.13864
1862	100590.12477
1863	121878.02534
1864	145754.9949
1865	168577.15858
1866	240687.52448
1867	323441.84067
1868	392291.89747
1869	485690.16394
1870	587047.42027
1871	723884.51088
1872	864365.47636
1873	996216.21189
1874	1156259.03195
1875	1340466.4959
1876	1569167.58988
1877	1802567.36462
1878	2107598.04803
1879	2420587.7213
1880	2787756.06044
1881	3174486.25416
1882	3581833.10834
1883	4045468.24016
1884	4516199.33883
1885	5028930.88999
1886	5554799.56897
1887	6111257.6186
1888	6691688.52923
1889	7318530.89877
1890	8028415.25882
1891	8810026.419
1892	9637377.79797
1893	10607127.9713
1894	11594809.84467
1895	12729685.0846
1896	13884985.20211
1897	15220753.01726
1898	16718865.04713
1899	18456801.57848
1900	20425548.81557
1901	22446748.67255
1902	24398906.68983
1903	26308488.90597
1904	28433059.7396
1905	30329504.82791
1906	32492624.02203
1907	34915513.13799
1908	37353265.42777
1909	39926608.21939
1910	42450279.24301
1911	45066773.18444
1912	48030681.82754
1913	51250428.84327
1914	54156323.16274
1915	56823543.67805
1916	59666341.42736
1917	62282643.5859
1918	63326038.38824
1919	64217253.46893
1920	65029933.45696
1921	65911271.71892
1922	66986118.9149
1923	68173446.77471
1924	69588037.35683
1925	70984216.78171
1926	73007142.68468
1927	75522183.47834
1928	78316268.37408
1929	81325341.88731
1930	85416166.78049
1931	90330699.17777
1932	95867758.8296
1933	102055825.49486
1934	109541015.72333
1935	118013791.93372
1936	127729417.15
1937	137664058.42442
1938	148149596.04471
1939	158763724.09143
1940	171488710.49528
1941	182668118.60447
1942	190361872.72367
1943	200183362.09415
1944	209381652.96997
1945	219120100.34993
1946	230064574.42128
1947	243243606.81255
1948	257267634.60848
1949	273209587.17619
1950	290979806.01551
1951	310239027.19751
1952	330862975.41076
1953	352682306.36511
1954	376512864.46626
1955	403534785.71571
1956	433161789.82475
1957	465583166.50388
1958	500189333.84347
1959	536573520.338
1960	574455147.6223
1961	613521226.02309
1962	654522873.22134
1963	698494470.22367
1964	745258330.1843
1965	794865946.80869
1966	847254319.4181
1967	902034128.74983
1968	958352995.75803
1969	1017005476.9478
1970	1078696662.10701
1971	1144174408.60753
1972	1213078068.72842
1973	1284905171.30303
1974	1359481673.36048
1975	1437887024.88605
1976	1519317080.23023
1977	1603523384.66157
1978	1690625994.26798
1979	1778453447.2997
1980	1869742965.02619
1981	1959307779.24061
1982	2050566036.35635
1983	2143132540.4428
1984	2236532149.39487
1985	2337261029.08743
1986	2438265021.33288
1987	2543524196.40654
1988	2651676032.78041
1989	2757562529.68083
1990	2856841051.28265
1991	2952531602.72371
1992	3039949215.72371
1993	3116717860.72371
1994	3181774107.72371
1995	3242547298.72371
1996	3302711767.72371
1997	3362267514.72371
1998	3420367462.72371
1999	3476479896.72371
2000	3530267452.72371
2001	3583028248.72371
2002	3635433345.72371
2003	3688964211.72371
2004	3747122831.72371
2005	3806289876.72371
2006	3868361185.72371
2007	3928885020.72371
2008	3991990423.72371
2009	4053210988.72371
2010	4116254052.72371
2011	4180316542.72371
2012	4243539289.72371
2013	4307308419.72371
2014	4370806191.72371