Year	Tonnes
1830	308.46241
1831	678.6173
1832	925.38723
1833	1233.84964
1850	3146.31658
1855	8945.40988
1858	17088.8175
1859	25725.76497
1860	37138.87413
1861	51636.60738
1862	64715.41355
1863	78411.14454
1864	93772.57254
1865	108455.38324
1866	154848.12966
1867	208088.74157
1868	252383.9436
1869	312472.42101
1870	377681.37441
1871	465716.54614
1872	556096.03217
1873	640923.19484
1874	743887.94719
1875	862399.20499
1876	1009535.7744
1877	1159695.27544
1878	1355939.06048
1879	1557303.32152
1880	1793523.83485
1881	2042329.6145
1882	2304399.27776
1883	2602682.42793
1884	2905530.82175
1885	3235400.52266
1886	3573722.0936
1887	3931723.56628
1888	4305148.15944
1889	4708431.91385
1890	5165141.35763
1891	5667996.77789
1892	6200279.51204
1893	6824175.58186
1894	7459608.1458
1895	8189738.66952
1896	8933009.69188
1897	9792385.96525
1898	10756207.61054
1899	11874322.15316
1900	13140930.49979
1901	14441284.63404
1902	15697220.1813
1903	16925764.26658
1904	18292622.89635
1905	19512715.11161
1906	20904374.11912
1907	22463158.06021
1908	24031504.33599
1909	25687083.78123
1910	27310706.52083
1911	28994047.58294
1912	30900900.50711
1913	32972348.97308
1914	34841877.94567
1915	36557854.33073
1916	38386789.65021
1917	40070007.32736
1918	40741283.22331
1919	41314653.15042
1920	41837496.93483
1921	42404512.53631
1922	43096023.56633
1923	43859899.87767
1924	44769987.37119
1925	45668229.90818
1926	46969694.50711
1927	48587764.92333
1928	50385360.46199
1929	52321270.54515
1930	54953133.51703
1931	58114934.90874
1932	61677243.89318
1933	65658383.13749
1934	70474036.58495
1935	75925060.90387
1936	82175681.48117
1937	88567207.68721
1938	95313157.20197
1939	102141836.33501
1940	110328552.07291
1941	117520908.38696
1942	122470742.98263
1943	128789472.05998
1944	134707261.69723
1945	140972565.08523
1946	148013774.81854
1947	156492604.45841
1948	165515068.2491
1949	175771443.371
1950	187204047.35349
1951	199594612.19549
1952	212863184.4404
1953	226900815.16513
1954	242232384.006
1955	259617140.33818
1956	278677896.32712
1957	299536432.93217
1958	321800571.04565
1959	345208611.15919
1960	369580041.07065
1961	394713496.51899
1962	421092214.7152
1963	449381672.46195
1964	479467553.5902
1965	511382986.96274
1966	545087440.61896
1967	580330443.08218
1968	616563609.88048
1969	654298124.91918
1970	693987613.01796
1971	736113213.84343
1972	780442901.97104
1973	826653408.79544
1974	874632762.46192
1975	925075435.23962
1976	977464073.97504
1977	1031638833.44748
1978	1087676952.64432
1979	1144181405.31212
1980	1202913203.34774
1981	1260535400.40325
1982	1319247086.68976
1983	1378800443.50733
1984	1438889784.60796
1985	1503694467.18041
1986	1568676145.48355
1987	1636395427.6726
1988	1705975725.27174
1989	1774098599.67762
1990	1837970183.4608
1991	1899533419.64736
1992	1955774198.64736
1993	2004226269.64736
1994	2046202418.64736
1995	2079535448.64736
1996	2110792956.64736
1997	2140601999.64736
1998	2172277545.64736
1999	2200854476.64736
2000	2230362825.64736
2001	2259134107.64736
2002	2288748799.64736
2003	2319364582.64736
2004	2351454499.64736
2005	2385792287.64736
2006	2424959514.64736
2007	2455468954.64736
2008	2490972848.64736
2009	2522875748.64736
2010	2553553870.64736
2011	2587000577.64736
2012	2622555809.64736
2013	2658199049.64736
2014	2695686790.64736