Year	Tonnes
1830	121.47832
1831	267.2523
1832	364.43495
1833	485.91327
1850	1239.07884
1855	3522.87121
1858	6729.89879
1859	10131.29167
1860	14625.98942
1861	20335.47034
1862	25486.151
1863	30879.78829
1864	36929.4085
1865	42711.77641
1866	60982.11535
1867	81949.27294
1868	99393.55932
1869	123057.53556
1870	148738.05187
1871	183407.96366
1872	219001.11067
1873	252407.64796
1874	292957.11032
1875	339629.07988
1876	397574.2373
1877	456709.88222
1878	533994.38777
1879	613295.43339
1880	706323.52888
1881	804307.93973
1882	907515.91822
1883	1024985.45117
1884	1144252.86323
1885	1274161.77589
1886	1407399.19445
1887	1548386.92967
1888	1695448.58075
1889	1854269.33296
1890	2034130.12976
1891	2232164.08284
1892	2441787.0674
1893	2687489.11224
1894	2937734.44615
1895	3225273.62352
1896	3517987.7772
1897	3856426.36957
1898	4235997.52022
1899	4676332.12526
1900	5175146.3923
1901	5687250.38727
1902	6181861.50453
1903	6665685.34721
1904	7203980.06742
1905	7684475.40419
1906	8232536.98113
1907	8846415.51044
1908	9464059.8676
1909	10116058.29293
1910	10755471.56457
1911	11418403.03847
1912	12169357.70118
1913	12985133.19407
1914	13721388.98037
1915	14397172.86025
1916	15117442.09997
1917	15780324.98254
1918	16044686.09694
1919	16270489.99339
1920	16476395.74143
1921	16699697.18454
1922	16972027.27656
1923	17272856.18185
1924	17631265.80961
1925	17985010.66998
1926	18497551.98689
1927	19134778.64882
1928	19842705.69149
1929	20605103.6117
1930	21641580.91171
1931	22886757.96106
1932	24289662.45777
1933	25857510.21389
1934	27754005.41
1935	29900721.64435
1936	32362333.97315
1937	34879437.59736
1938	37536119.8083
1939	40225382.50397
1940	43449465.63998
1941	46281951.27191
1942	48231289.5361
1943	50719724.27739
1944	53050261.50168
1945	55517656.1984
1946	58290617.45478
1947	61629740.5574
1948	65182957.04666
1949	69222111.10131
1950	73724486.276
1951	78604124.51332
1952	83829538.63337
1953	89357822.49445
1954	95395683.6015
1955	102242128.68505
1956	109748614.05854
1957	117963099.36169
1958	126731137.06173
1959	135949664.95413
1960	145547593.92754
1961	155445622.93634
1962	165834059.91262
1963	176974982.1784
1964	188823369.86926
1965	201392269.75647
1966	214665719.58913
1967	228545078.97349
1968	242814383.75681
1969	257674947.80673
1970	273305417.13689
1971	289895273.62681
1972	307353141.28611
1973	325551710.83814
1974	344446885.65365
1975	364312162.01652
1976	384943796.49275
1977	406278839.01824
1978	428347707.76369
1979	450600227.42943
1980	473729917.7297
1981	496422626.22649
1982	519544396.14046
1983	542997631.79137
1984	566661948.16666
1985	592183254.98922
1986	617774266.07033
1987	644443397.21866
1988	671845431.35172
1989	698673504.73058
1990	723827339.6429
1991	748072103.71455
1992	770220783.71455
1993	787716040.71455
1994	805075618.71455
1995	821280091.71455
1996	837011521.71455
1997	852350582.71455
1998	868547721.71455
1999	882240299.71455
2000	894403738.71455
2001	907289576.71455
2002	920432104.71455
2003	933255603.71455
2004	946500807.71455
2005	960402404.71455
2006	974560691.71455
2007	989727403.71455
2008	1004736434.71455
2009	1017255572.71455
2010	1030724463.71455
2011	1044512383.71455
2012	1058344307.71455
2013	1070984456.71455
2014	1083822623.71455