Year	Tonnes
1830	31.95845
1831	70.30859
1832	95.87535
1833	127.83381
1850	325.9762
1855	926.79509
1858	1770.49821
1859	2665.33485
1860	3847.79755
1861	5349.84476
1862	6704.8831
1863	8123.83834
1864	9715.36922
1865	11236.59151
1866	16043.1426
1867	21559.17131
1868	26148.40493
1869	32373.91126
1870	39129.92788
1871	48250.86991
1872	57614.69617
1873	66403.2703
1874	77071.00137
1875	89349.4384
1876	104593.61971
1877	120150.99385
1878	140482.96062
1879	161345.43769
1880	185819.21977
1881	211596.90666
1882	238748.80696
1883	269652.62946
1884	301029.43703
1885	335205.80495
1886	370257.83444
1887	407348.81312
1888	446037.71437
1889	487820.19372
1890	535137.87685
1891	587236.54431
1892	642384.04803
1893	707023.21181
1894	772857.62168
1895	848503.27612
1896	925510.36059
1897	1014546.60617
1898	1114403.98338
1899	1230246.97799
1900	1361474.77109
1901	1496198.81877
1902	1626320.84945
1903	1753604.96965
1904	1895219.25946
1905	2021627.71809
1906	2165811.46739
1907	2327310.30564
1908	2489799.8559
1909	2661327.2562
1910	2829543.76094
1911	3003947.42187
1912	3201508.17668
1913	3416121.96115
1914	3609815.74334
1915	3787600.60843
1916	3977088.65842
1917	4151479.53597
1918	4221027.51789
1919	4280431.88733
1920	4334601.46244
1921	4393347.48779
1922	4464991.94412
1923	4544133.85314
1924	4638424.06812
1925	4731487.07857
1926	4866326.17668
1927	5033967.4293
1928	5220208.50063
1929	5420779.74156
1930	5693455.64051
1931	6021036.15896
1932	6390111.53069
1933	6802580.08773
1934	7301509.03915
1935	7866266.00875
1936	8513865.67605
1937	9176063.96394
1938	9874982.51248
1939	10582472.31768
1940	11430662.40098
1941	12175831.22037
1942	12688662.09815
1943	13343318.19152
1944	13956434.68976
1945	14605555.57935
1946	15335064.75756
1947	16213519.49432
1948	17148297.80582
1949	18210916.31457
1950	19395398.79016
1951	20679131.43239
1952	22053830.61067
1953	23508208.59995
1954	25096645.90112
1955	26897805.04645
1956	28872607.24156
1957	31033669.68307
1958	33340360.39588
1959	35765565.82982
1960	38290583.89915
1961	40894552.1268
1962	43627536.62271
1963	46558484.54991
1964	49675552.10633
1965	52982171.62964
1966	56474143.77933
1967	60125518.29286
1968	63879479.43536
1969	67788988.75247
1970	71901044.3428
1971	76265494.99884
1972	80858301.57345
1973	85645971.60957
1974	90616904.18935
1975	95843050.57024
1976	101270810.03758
1977	106883621.72185
1978	112689488.01929
1979	118543669.10354
1980	124628615.77359
1981	130598601.5023
1982	136681464.48132
1983	142851529.29081
1984	149077125.10543
1985	155791256.98309
1986	162523726.62016
1987	169539827.51332
1988	176748740.13541
1989	183806655.46637
1990	190424113.02857
1991	196802412.71563
1992	202629275.71563
1993	205185174.71563
1994	207891420.71563
1995	211301730.71563
1996	213864963.71563
1997	217099257.71563
1998	220461896.71563
1999	223476170.71563
2000	226941485.71563
2001	230483807.71563
2002	233527417.71563
2003	236956062.71563
2004	240601060.71563
2005	244953789.71563
2006	249335854.71563
2007	254399981.71563
2008	259959153.71563
2009	264319216.71563
2010	268536266.71563
2011	273453713.71563
2012	279148564.71563
2013	284645397.71563
2014	290175233.71563