Year	Tonnes
1860	202.83259
1861	666.84686
1862	1133.63967
1863	1600.43247
1864	2067.22527
1865	2534.01808
1866	3000.81088
1867	3464.82516
1868	3931.61796
1869	4398.41076
1870	4865.20357
1871	5331.99637
1872	5796.01065
1873	6262.80345
1874	6729.59626
1875	7196.38906
1876	12439.47252
1877	13070.19851
1878	13700.9245
1879	14723.42302
1880	15598.65953
1881	16473.89604
1882	16846.21887
1883	17993.75118
1884	18585.57777
1885	19513.60632
1886	20513.87661
1887	21547.48925
1888	23095.12968
1889	24451.05163
1890	26148.7326
1891	27110.1035
1892	27521.32573
1893	28132.60202
1894	28838.34828
1895	29930.31002
1896	30666.6201
1897	32455.99251
1898	33181.18847
1899	34042.53234
1900	33795.24329
1901	35312.31991
1902	35784.66977
1903	36457.07369
1904	36812.72535
1905	37896.3515
1906	39574.58277
1907	41591.79453
1908	42358.66842
1909	42100.26526
1910	41661.25774
1911	42189.17818
1912	44889.90797
1913	46954.35472
1914	42806.01153
1915	42711.54155
1916	45459.50633
1917	42747.66242
1918	36445.95957
1919	34431.52634
1920	34148.11643
1921	32794.973
1922	29269.02021
1923	30936.13737
1924	37971.37177
1925	35734.65625
1926	36232.01287
1927	38882.72915
1928	40938.84031
1929	45795.70829
1930	40372.02048
1931	37774.09624
1932	32922.78532
1933	30110.91438
1934	30077.57203
1935	30963.92266
1936	33642.42422
1937	40749.90037
1938	46693.17303
1939	51299.97344
1940	57818.40152
1941	58196.28141
1942	62766.96095
1943	69299.28167
1944	66073.40998
1945	35065.03086
1946	43642.34863
1947	49527.2722
1948	53528.35337
1949	56270.76109
1950	57935.09972
1951	61736.12684
1952	66009.50382
1953	68415.70958
1954	73064.18792
1955	75842.71651
1956	81383.10253
1957	85000.74676
1958	92875.0968
1959	92961.23118
1960	99146.23583
1961	107609.63393
1962	114675.43215
1963	120629.81893
1964	125542.25748
1965	122327.4999
1966	121638.42481
1967	121385.5787
1968	126998.20646
1969	134822.54299
1970	154575.10276
1971	162174.37847
1972	163688.67655
1973	164383.3087
1974	166317.1646
1975	174047.03115
1976	180851.64768
1977	186294.7852
1978	188025.80851
1979	183160.60494
1980	185344.52842
1981	183366.21606
1982	181601.8504
1983	181890.81738
1984	188050.81527
1985	185516.79719
1986	186828.26269
1987	185366.75665
1988	182424.29487
1989	176439.34427
1990	164997.36352
1991	152163.33994
1992	138176.227
1993	132631.723
1994	125734.096
1995	123830.923
1996	125378.397
1997	127413.582
1998	122543.806
1999	111975.512
2000	123849.258
2001	123720.913
2002	119749.552
2003	122059.762
2004	116775.615
2005	120108.918
2006	122107.433
2007	123302.875
2008	116658.271
2009	107659.453
2010	111579.476
2011	106907.718
2012	101029.517
2013	98675.303
2014	96475.103