Year	Tonnes
1830	1437.22526
1831	3161.89557
1832	4311.67578
1833	5748.90104
1850	14659.69764
1855	41679.53251
1858	79622.27934
1859	119864.58659
1860	173041.92117
1861	240591.50834
1862	301529.85932
1863	365342.66081
1864	436916.47871
1865	505328.40103
1866	721487.07997
1867	969552.15966
1868	1175937.70684
1869	1455909.18727
1870	1759738.607
1871	2169922.69589
1872	2591029.69675
1873	2986266.64295
1874	3466012.43437
1875	4018194.37884
1876	4703750.82734
1877	5403392.08338
1878	6317754.79309
1879	7255975.4421
1880	8356602.54537
1881	9515868.4392
1882	10736935.01917
1883	12126731.84453
1884	13537799.60372
1885	15074768.29559
1886	16651116.95956
1887	18319160.59504
1888	20059065.49347
1889	21938093.79696
1890	24066049.5153
1891	26409014.13236
1892	28889090.03913
1893	31796021.84779
1894	34756705.88113
1895	38158618.06896
1896	41621756.05281
1897	45625865.62412
1898	50116619.66809
1899	55326273.78656
1900	61227808.14468
1901	67286574.94611
1902	73138381.31027
1903	78862562.07143
1904	85231194.63869
1905	90915995.42776
1906	97400180.90583
1907	104663055.02917
1908	111970483.13554
1909	119684358.54514
1910	127249337.4179
1911	135092563.10079
1912	143977202.20629
1913	153628744.70993
1914	162339479.5591
1915	170334763.67438
1916	178856359.67948
1917	186699010.47226
1918	189826700.08069
1919	192498214.39194
1920	194934311.20578
1921	197576218.6767
1922	200798190.26211
1923	204357334.89326
1924	208597724.29713
1925	212782924.25106
1926	218846865.06343
1927	226385973.88154
1928	234761547.80033
1929	243781573.52521
1930	256044266.87923
1931	270776113.22805
1932	287374052.85303
1933	305923456.93455
1934	328361130.23151
1935	353759200.11676
1936	382882845.31814
1937	412663015.01779
1938	444094556.53992
1939	475911561.87648
1940	514056095.1379
1941	547567589.05472
1942	570630455.3393
1943	600071439.87785
1944	627644319.02487
1945	656836376.14857
1946	689643629.68853
1947	729149215.27013
1948	771187766.64802
1949	818975506.50658
1950	872243673.72239
1951	929975287.70226
1952	991797819.65907
1953	1057203641.63138
1954	1128638336.11975
1955	1209639489.37643
1956	1298449662.35483
1957	1395636271.58719
1958	1499372028.87932
1959	1608437592.32156
1960	1721991897.69242
1961	1839096724.34288
1962	1962003629.36353
1963	2093813282.52793
1964	2233993048.15514
1965	2382697284.23797
1966	2539737139.37738
1967	2703945586.66316
1968	2872767527.03002
1969	3048584730.17701
1970	3233510779.56989
1971	3429787459.16749
1972	3636333688.13007
1973	3851643254.38628
1974	4075194445.16716
1975	4310223029.42059
1976	4554318492.94234
1977	4806736065.60325
1978	5067835628.60815
1979	5331107988.75946
1980	5604758265.06027
1981	5873238554.65975
1982	6146795123.87367
1983	6424273305.92904
1984	6704248810.59429
1985	7006194602.90229
1986	7308965075.06386
1987	7624490921.3982
1988	7948687835.16455
1989	8266094147.02764
1990	8563692332.92747
1991	8850535187.3248
1992	9112579007.3248
1993	9330200789.3248
1994	9530184301.3248
1995	9699350345.3248
1996	9840885544.3248
1997	9970345312.3248
1998	10097667219.3248
1999	10214160475.3248
2000	10332259877.3248
2001	10464110529.3248
2002	10597846019.3248
2003	10740055946.3248
2004	10913109010.3248
2005	11090437796.3248
2006	11283068973.3248
2007	11505417518.3248
2008	11738224347.3248
2009	11951563073.3248
2010	12200112333.3248
2011	12459171215.3248
2012	12702142968.3248
2013	12964989861.3248
2014	13213304433.3248