Year	Tonnes
1829	11001
1830	18335
1831	22002
1835	36670
1836	55005
1837	80674
1838	132012
1839	172349
1840	216353
1841	275025
1842	348365
1843	410704
1844	476710
1845	575719
1846	674728
1847	777404
1848	909416
1849	1015759
1850	1155105
1851	1305452
1852	1455799
1853	1620814
1854	1855502
1855	2112192
1856	2416553
1857	2720914
1858	2988605
1859	3314968
1860	3648665
1861	4077704
1862	4448071
1863	4811104
1864	5291481
1865	5764524
1866	6285238
1867	6904961
1868	7539352
1869	8093069
1870	8723793
1871	9336182
1872	9992575
1873	10652635
1874	11470376
1875	12497136
1876	13402885
1877	14623996
1878	15713095
1879	16857199
1880	18107646
1881	19402097
1882	20817559
1883	22343031
1884	23905173
1885	25691002
1886	27436494
1887	29119647
1888	31066824
1889	33289026
1890	35368215
1891	37784768
1892	40252659
1893	42716883
1894	45624814
1895	48686759
1896	51814710
1897	55203018
1898	58591326
1899	62643361
1900	66801739
1901	70699760
1902	74946146
1903	79188865
1904	83350910
1905	87501954
1906	91730005
1907	96515440
1908	102235960
1909	108004151
1910	113948358
1911	120031911
1912	126914870
1913	133838166
1914	141553534
1915	150009636
1916	157912021
1917	161410339
1918	165865744
1919	171160892
1920	176467041
1921	179844348
1922	186331271
1923	193129889
1924	200863592
1925	208465283
1926	214831195
1927	223371638
1928	231831407
1929	241358273
1930	250093067
1931	258186136
1932	266836589
1933	276022424
1934	285516287
1935	295307177
1936	305758127
1937	317529197
1938	328016817
1939	340543289
1940	347059548
1941	351877986
1942	356509407
1943	361958569
1944	366843013
1945	370858378
1946	377939355
1947	388577322
1948	399570988
1949	409988935
1950	418430369
1951	427916898
1952	437612446
1953	447407003
1954	457300569
1955	468726941
1956	480692362
1957	492063729
1958	503262747
1959	515085155
1960	528187346
1961	541538893
1962	555616506
1963	570599868
1964	586789673
1965	603199498
1966	622762943
1967	642091700
1968	663231955
1969	685453975
1970	713466188
1971	740664327
1972	770092002
1973	800616110
1974	828312961
1975	857986325
1976	887303990
1977	918374481
1978	953166977
1979	987409423
1980	1025461882
1981	1065791548
1982	1106843613
1983	1144342355
1984	1184800366
1985	1225515067
1986	1272592013
1987	1313299380
1988	1355781575
1989	1405161397
1990	1436671928
1991	1468747177
1992	1500756420
1993	1535904615
1994	1569809697
1995	1603249070
1996	1636615103
1997	1672716718
1998	1710494152
1999	1751175850
2000	1790849123
2001	1832759266
2002	1870782389
2003	1916003833
2004	1958651043
2005	2001089234
2006	2045346257
2007	2090435689
2008	2146126418
2009	2201472449
2010	2261578246
2011	2306774021
2012	2356663556
2013	2414825843
2014	2462452839
