Year	Tonnes
1802	2240.537
1804	2178.198
1810	2123.193
1811	2053.52
1812	2218.535
1813	2049.853
1814	2093.857
1815	2343.213
1816	2500.894
1817	2662.242
1818	2383.55
1819	2559.566
1820	2904.264
1821	3014.274
1822	3171.955
1823	3171.955
1824	3520.32
1825	3960.36
1826	4092.372
1827	5914.871
1828	6248.568
1829	6079.886
1830	6556.596
1831	6057.884
1832	6684.941
1833	7253.326
1834	8929.145
1835	9266.509
1836	10645.301
1837	11360.366
1838	11877.413
1839	11580.386
1840	11807.74
1841	13831.924
1842	14539.655
1843	14561.657
1844	15273.055
1845	17850.956
1846	18544.019
1847	20857.896
1848	16703.185
1849	17399.915
1850	19633.118
1851	20054.823
1852	21587.629
1853	25360.972
1854	29236.991
1855	33098.342
1856	34660.484
1857	35309.543
1858	34623.814
1859	35019.85
1860	38162.469
1861	41275.752
1862	43560.293
1863	44224.02
1864	46867.927
1865	49343.152
1866	53604.206
1867	54322.938
1868	55577.052
1869	56988.847
1870	50578.931
1871	50303.906
1872	60974.876
1873	65903.324
1874	62694.699
1875	65312.937
1876	65411.946
1877	63978.149
1878	65276.267
1879	67553.474
1880	76211.261
1881	78048.428
1882	82375.488
1883	86390.853
1884	82980.543
1885	79779.252
1886	79137.527
1887	83358.244
1888	86724.55
1889	88869.745
1890	97897.899
1891	98062.914
1892	98202.26
1893	96409.097
1894	101982.937
1895	102859.35
1896	106368.669
1897	111352.122
1898	115140.133
1899	120398.611
1900	129382.761
1901	125107.039
1902	117758.371
1903	129448.767
1904	126100.796
1905	127530.926
1906	136680.091
1907	145715.579
1908	146834.014
1909	150218.655
1910	150735.702
1911	157035.608
1912	158707.76
1913	171252.567
1914	118447.767
1915	103317.725
1916	109778.979
1917	121704.063
1918	108539.533
1919	116236.566
1920	151901.808
1921	138022.213
1922	163284.176
1923	184340.09
1924	206804.132
1925	214002.453
1926	213907.111
1927	213214.048
1928	211809.587
1929	234497.316
1930	237848.954
1931	217691.455
1932	191952.782
1933	199569.141
1934	201534.653
1935	195550.109
1936	198260.022
1937	217900.474
1938	201963.692
1939	194776.372
1940	137849.864
1941	120020.91
1942	122606.145
1943	125360.062
1944	80057.944
1945	107259.75
1946	165389.034
1947	183790.04
1948	196683.212
1949	229264.507
1950	202473.405
1951	228949.145
1952	227207.32
1953	214761.522
1954	226576.596
1955	239220.412
1956	268765.431
1957	277775.25
1958	266425.885
1959	262161.164
1960	271218.654
1961	281211.229
1962	298706.486
1963	334019.696
1964	345303.055
1965	351852.317
1966	347235.564
1967	372009.816
1968	384631.63
1969	413259.899
1970	439013.24
1971	462434.369
1972	480729.032
1973	516599.626
1974	499071.366
1975	446919.292
1976	505602.293
1977	480857.377
1978	505858.983
1979	529155.434
1980	505363.938
1981	454700.666
1982	436893.714
1983	422603.415
1984	405342.846
1985	400880.107
1986	385614.386
1987	377491.981
1988	372207.834
1989	390649.177
1990	375691.484
1991	390689.514
1992	365893.26
1993	359916.05
1994	338119.402
1995	349160.739
1996	375306.449
1997	351562.624
1998	377444.31
1999	368918.535
2000	362226.26
2001	377535.985
2002	375075.428
2003	380689.605
2004	383758.884
2005	385368.697
2006	375764.824
2007	369142.222
2008	366325.966
2009	351899.988
2010	353033.091
2011	331804.828
2012	333227.624
2013	334096.703
2014	303275.568