Year	Tonnes
1830	613.22416
1831	1349.09314
1832	1839.67247
1833	2452.89662
1850	6254.88638
1855	17783.50051
1858	33972.61821
1859	51142.89456
1860	73832.18831
1861	102653.72361
1862	128654.4278
1863	155881.5803
1864	186420.14324
1865	215609.61303
1866	307838.526
1867	413681.01522
1868	501740.00394
1869	621196.06941
1870	750831.65586
1871	925845.8298
1872	1105520.50733
1873	1274157.15006
1874	1478851.37313
1875	1714452.09363
1876	2006960.01575
1877	2305477.53459
1878	2695610.74225
1879	3095923.47089
1880	3565530.52908
1881	4060157.13282
1882	4581152.37524
1883	5174140.1335
1884	5776203.60926
1885	6431985.52103
1886	7104569.77466
1887	7816277.7294
1888	8558646.89191
1889	9360376.15266
1890	10268315.83713
1891	11267993.85524
1892	12326173.45778
1893	13566480.63447
1894	14829722.39457
1895	16281223.97037
1896	17758848.89519
1897	19467291.3921
1898	21383371.58802
1899	23606186.50647
1900	26124207.53332
1901	28709315.28277
1902	31206118.75385
1903	33648467.91993
1904	36365786.79728
1905	38791333.6215
1906	41557955.72094
1907	44656822.66778
1908	47774699.56343
1909	51065996.25023
1910	54293762.91452
1911	57640249.7753
1912	61431078.85908
1913	65549124.35217
1914	69265753.31314
1915	72677119.28956
1916	76313047.95168
1917	79659289.5228
1918	80993787.92975
1919	82133648.98979
1920	83173063.93317
1921	84300292.5756
1922	85675018.48715
1923	87193606.78555
1924	89002863.33361
1925	90788572.0741
1926	93375887.43051
1927	96592616.06001
1928	100166241.14794
1929	104014835.94715
1930	109246987.08575
1931	115532657.3233
1932	122614537.80421
1933	130529054.0433
1934	140102586.91238
1935	150939238.89672
1936	163365490.53666
1937	176071862.97079
1938	189482829.95945
1939	203058263.66658
1940	219333478.04023
1941	233631903.02656
1942	243472188.40324
1943	256033839.93668
1944	267798422.71296
1945	280253863.8227
1946	294251808.9729
1947	311107746.62169
1948	329044430.52194
1949	349434133.68858
1950	372162183.20453
1951	396794661.65746
1952	423172621.34628
1953	451079471.49931
1954	481558674.33937
1955	516119619.80251
1956	554012457.39153
1957	595479288.00299
1958	639740458.44571
1959	686275709.34627
1960	734726181.92894
1961	784691563.46507
1962	837132530.91651
1963	893372054.07608
1964	953182872.07179
1965	1016630845.17794
1966	1083635395.7405
1967	1153698585.74531
1968	1225730225.28891
1969	1300746549.44161
1970	1379649365.64632
1971	1463395180.94062
1972	1551522728.11483
1973	1643389348.2541
1974	1738772440.99002
1975	1839052619.18603
1976	1943201383.28872
1977	2050900960.54077
1978	2162304902.27068
1979	2274635916.2787
1980	2391394899.26795
1981	2505947992.32544
1982	2622666993.09975
1983	2741059237.30446
1984	2860517019.80157
1985	2989348914.67242
1986	3118532677.56363
1987	3253158804.83391
1988	3391484636.07847
1989	3526913105.83365
1990	3653889997.63446
1991	3776277887.79084
1992	3888084717.79084
1993	4004317616.79084
1994	4112981827.79084
1995	4216416896.79084
1996	4322587547.79084
1997	4429821628.79084
1998	4548966125.79084
1999	4672001309.79084
2000	4793830050.79084
2001	4917283272.79084
2002	5045631939.79084
2003	5172774163.79084
2004	5298988636.79084
2005	5416237294.79084
2006	5536525895.79084
2007	5656726488.79084
2008	5780627084.79084
2009	5887758489.79084
2010	5991926958.79084
2011	6105611292.79084
2012	6221426153.79084
2013	6324780548.79084
2014	6429994112.79084