Year	Tonnes
1751	9358.184
1752	9361.851
1753	9361.851
1754	9365.518
1755	9369.185
1756	10014.577
1757	10018.244
1758	10021.911
1759	10025.578
1760	10025.578
1761	10982.665
1762	10986.332
1763	10989.999
1764	10993.666
1765	10997.333
1766	12269.782
1767	12273.449
1768	12277.116
1769	12280.783
1770	12284.45
1771	13622.905
1772	13626.572
1773	13630.239
1774	13633.906
1775	13637.573
1776	15049.368
1777	15053.035
1778	15056.702
1779	15060.369
1780	15067.703
1781	16857.199
1782	16860.866
1783	16868.2
1784	16871.867
1785	16879.201
1786	19163.742
1787	19171.076
1788	19174.743
1789	19182.077
1790	19189.411
1791	21433.615
1792	21440.949
1793	21448.283
1794	21451.95
1795	21459.284
1796	22431.039
1797	23560.475
1798	24535.897
1799	25819.347
1800	26655.423
1801	26732.43
1802	26871.776
1803	30216.08
1804	30355.426
1805	31488.529
1806	33278.025
1807	33285.359
1808	33296.36
1809	33307.361
1810	33318.362
1811	35591.902
1812	36967.027
1813	37407.067
1814	38118.465
1815	38954.541
1816	41470.103
1817	41957.814
1818	42056.823
1819	42372.185
1820	42562.869
1821	42907.567
1822	44557.717
1823	46911.931
1824	49123.132
1825	49632.845
1826	50186.562
1827	52273.085
1828	52632.451
1829	53380.519
1830	67920.174
1831	65818.983
1832	65642.967
1833	65547.625
1834	65591.629
1835	65316.604
1836	76508.288
1837	73831.378
1838	75873.897
1839	77843.076
1840	81026.032
1841	81906.112
1842	85441.1
1843	89166.772
1844	93548.837
1845	100068.763
1846	95771.039
1847	103633.087
1848	109375.609
1849	116100.887
1850	122705.154
1851	116749.946
1852	116335.575
1853	115693.85
1854	139415.673
1855	130548.867
1856	140490.104
1857	137974.542
1858	135224.292
1859	150134.314
1860	168087.946
1861	175190.925
1862	169609.751
1863	180372.396
1864	194068.641
1865	205656.361
1866	211904.929
1867	217552.109
1868	213393.731
1869	223888.685
1870	228681.454
1871	242234.686
1872	255197.531
1873	264874.744
1874	257397.731
1875	271710.032
1876	271240.656
1877	276125.1
1878	271196.652
1879	272868.804
1880	297368.031
1881	312567.746
1882	315222.654
1883	327998.482
1884	319359.03
1885	315549.017
1886	312685.09
1887	320704.819
1888	333440.31
1889	345306.722
1890	353311.783
1891	360766.794
1892	353297.115
1893	316469.434
1894	362398.609
1895	365849.256
1896	376289.205
1897	386285.447
1898	387194.863
1899	414891.714
1900	420084.186
1901	411037.697
1902	426989.147
1903	430337.118
1904	432346.634
1905	438030.484
1906	453721.577
1907	473956.083
1908	462342.694
1909	466468.069
1910	470116.734
1911	481744.791
1912	456259.141
1913	498730.335
1914	483578.291
1915	489881.864
1916	507487.131
1917	501579.594
1918	467230.805
1919	456504.83
1920	470399.093
1921	320066.761
1922	428573.291
1923	455265.384
1924	476372.636
1925	450025.241
1926	246572.747
1927	467117.128
1928	438015.816
1929	461070.245
1930	441455.462
1931	412574.17
1932	396241.352
1933	392493.678
1934	423571.503
1935	429482.707
1936	454194.62
1937	468543.591
1938	449339.512
1939	452826.829
1940	475532.893
1941	470065.396
1942	469313.661
1943	455221.38
1944	442405.215
1945	417982.995
1946	436512.346
1947	461675.3
1948	475987.601
1949	485543.803
1950	500849.861
1951	545282.9
1952	528858.407
1953	540530.468
1954	553163.283
1955	577116.127
1956	574479.554
1957	570863.892
1958	556390.243
1959	546947.718
1960	584299.78
1961	588938.535
1962	593360.937
1963	603822.888
1964	608355.3
1965	622619.93
1966	618564.228
1967	592517.527
1968	606969.174
1969	628857.497
1970	653063.364
1971	660863.073
1972	648486.948
1973	660034.331
1974	617607.141
1975	603643.205
1976	598912.775
1977	604746.972
1978	605084.336
1979	644893.288
1980	579290.658
1981	560819.979
1982	548520.861
1983	545741.275
1984	529335.117
1985	559855.558
1986	568777.369
1987	571868.65
1988	570464.189
1989	581721.879
1990	555924.534
1991	566830.192
1992	556280.233
1993	545711.939
1994	546738.699
1995	538117.582
1996	551436.126
1997	527343.936
1998	531905.684
1999	530937.596
2000	541784.582
2001	545862.286
2002	528642.054
2003	540006.087
2004	539239.684
2005	542580.321
2006	541458.219
2007	528425.701
2008	520688.331
2009	471719.213
2010	493207.833
2011	447828.708
2012	468572.927
2013	458250.322
2014	419820.162