Year	Tonnes
1830	3460.44261
1831	7612.97375
1832	10381.32784
1833	13841.77045
1850	35296.51466
1855	100352.83579
1858	191708.52078
1859	288600.91395
1860	416637.29064
1861	579278.09347
1862	726000.86027
1863	879644.5123
1864	1051974.55444
1865	1216691.62283
1866	1737142.19187
1867	2334414.58693
1868	2831334.1462
1869	3505428.36727
1870	4236965.93572
1871	5224576.25755
1872	6238485.94325
1873	7190107.6619
1874	8345203.40622
1875	9674705.45825
1876	11325336.58479
1877	13009880.04894
1878	15211413.63952
1879	17470390.57748
1880	20120397.53074
1881	22911590.54262
1882	25851582.58688
1883	29197830.59393
1884	32595293.15166
1885	36295890.48232
1886	40091303.94058
1887	44107493.63757
1888	48296705.46522
1889	52820888.13785
1890	57944419.47109
1891	63585633.01928
1892	69556972.79278
1893	76556064.02243
1894	83684575.80582
1895	91875443.47148
1896	100213725.99248
1897	109854519.11311
1898	120667018.10261
1899	133210430.48728
1900	147419699.94599
1901	162007541.82659
1902	176097079.97088
1903	189879330.81111
1904	205213244.11914
1905	218900678.83176
1906	234512811.7259
1907	251999812.42792
1908	269594086.85096
1909	288166974.44503
1910	306381360.18436
1911	325265687.61363
1912	346657451.7605
1913	369895708.08581
1914	390868758.67646
1915	410119200.93422
1916	430636857.27696
1917	449519800.52919
1918	457050415.74424
1919	463482686.47383
1920	469348136.70336
1921	475709122.31512
1922	483466742.5656
1923	492036182.65317
1924	502245872.53943
1925	512322681.42934
1926	526922980.90335
1927	545075078.67565
1928	565241154.04888
1929	586958891.88992
1930	616484080.35506
1931	651954309.22985
1932	691917576.79374
1933	736579433.33796
1934	790603171.32819
1935	851754729.01328
1936	921876446.04055
1937	993578893.25357
1938	1069257389.02927
1939	1145863975.51386
1940	1237705506.64773
1941	1318391954.97339
1942	1373920985.5004
1943	1444806768.25668
1944	1511194667.70421
1945	1581481101.79987
1946	1660471933.24502
1947	1755590503.53368
1948	1856807757.88401
1949	1971867474.77604
1950	2100122551.44109
1951	2239124378.68598
1952	2387976009.78535
1953	2545455216.40819
1954	2717450287.70528
1955	2912478757.12497
1956	3126309195.43973
1957	3360307785.3933
1958	3610074920.24713
1959	3872674760.48809
1960	4146082255.0989
1961	4428038427.14159
1962	4723964406.01414
1963	5041325750.61049
1964	5378840020.89814
1965	5736878868.41376
1966	6114987590.99796
1967	6510356309.24876
1968	6916833048.28822
1969	7340152453.61512
1970	7785403452.13654
1971	8257983642.24072
1972	8755290078.99394
1973	9273696218.53745
1974	9811945920.20264
1975	10377830024.48907
1976	10965544677.04573
1977	11573296676.51041
1978	12201952517.71347
1979	12835839856.05932
1980	13494714358.42724
1981	14141140956.62661
1982	14799789838.13614
1983	15467880883.36031
1984	16141984793.66934
1985	16868987106.03074
1986	17597975020.36366
1987	18357674362.88956
1988	19138251247.78999
1989	19902478233.43113
1990	20619012706.88733
1991	21309651304.09119
1992	21940580656.09119
1993	22479915682.09119
1994	22921682839.09119
1995	23367626709.09119
1996	23779962524.09119
1997	24121158539.09119
1998	24449795079.09119
1999	24782344308.09119
2000	25103247145.09119
2001	25425022728.09119
2002	25743710697.09119
2003	26096142400.0912
2004	26439538615.0912
2005	26773415298.09119
2006	27099844304.0912
2007	27421102840.09119
2008	27732126779.09119
2009	27992227089.09119
2010	28296870448.09119
2011	28583263148.09119
2012	28879054369.09119
2013	29150929416.09119
2014	29378228411.09119