Year Tonnes
1830 181.15152
1831 398.53335
1832 543.45457
1833 724.6061
1850 1847.74555
1855 5253.3942
1858 10035.79443
1859 15108.0371
1860 21810.64349
1861 30324.76512
1862 38005.58974
1863 46048.71741
1864 55070.0633
1865 63692.87585
1866 90938.06506
1867 122204.81811
1868 148218.17696
1869 183506.49384
1870 221801.92602
1871 273502.57098
1872 326579.96752
1873 376396.63662
1874 436865.01534
1875 506463.43087
1876 592872.70783
1877 681057.26973
1878 796305.86932
1879 914561.5842
1880 1053287.4213
1881 1199404.24058
1882 1353310.57539
1883 1528484.09913
1884 1706338.66542
1885 1900062.10521
1886 2098749.09676
1887 2308993.55555
1888 2528295.59054
1889 2765133.09305
1890 3033346.03952
1891 3328659.25399
1892 3641254.32385
1893 4007651.39635
1894 4380823.53584
1895 4809609.19321
1896 5246111.90551
1897 5750800.05145
1898 6316826.10342
1899 6973464.14771
1900 7717308.53567
1901 8480970.90036
1902 9218547.44559
1903 9940037.73548
1904 10742756.36875
1905 11459283.10688
1906 12276566.32268
1907 13191997.4342
1908 14113044.24296
1909 15085320.70272
1910 16038829.86458
1911 17027409.9615
1912 18147252.45273
1913 19363757.39718
1914 20461680.554
1915 21469426.48216
1916 22543510.09842
1917 23532017.73473
1918 23926239.68132
1919 24262964.13418
1920 24570015.9674
1921 24903008.69887
1922 25309114.18543
1923 25757717.81953
1924 26292187.27602
1925 26819700.51398
1926 27584015.02416
1927 28534263.45859
1928 29589942.08001
1929 30726849.0448
1930 32272470.0781
1931 34129309.42968
1932 36221355.92006
1933 38559369.94975
1934 41387471.31256
1935 44588708.58455
1936 48259526.83712
1937 52013095.10587
1938 55974806.47572
1939 59985102.68432
1940 64792936.5926
1941 69016810.44802
1942 71923712.72378
1943 75634529.23285
1944 79109884.991
1945 82789326.05612
1946 86924435.66477
1947 91903820.0663
1948 97202465.91378
1949 103225754.08767
1950 109939809.25298
1951 117216448.5913
1952 125008717.62761
1953 133252633.64363
1954 142256444.07264
1955 152466035.27587
1956 163659895.16975
1957 175909542.37596
1958 188984660.84685
1959 202731561.62945
1960 217044234.85188
1961 231804424.79928
1962 247295923.44916
1963 263909547.09948
1964 281578160.99543
1965 300321220.81068
1966 320114923.23499
1967 340812173.23083
1968 362090919.6188
1969 384251366.70451
1970 407559915.9192
1971 432299127.41004
1972 458332739.00066
1973 485470903.89389
1974 513647864.08649
1975 543271464.11966
1976 574037876.65731
1977 605853228.97969
1978 638762881.4284
1979 671946398.75114
1980 706437974.99857
1981 740277912.98377
1982 774757678.15184
1983 809731733.36836
1984 845020557.47303
1985 883078572.46489
1986 921240532.20123
1987 961010211.71332
1988 1001872814.60016
1989 1041879512.76628
1990 1079389544.39795
1991 1115543946.71473
1992 1148572615.71473
1993 1176889189.71473
1994 1210423904.71473
1995 1244424328.71473
1996 1275095116.71473
1997 1305718233.71473
1998 1337811817.71473
1999 1375490242.71473
2000 1413029321.71473
2001 1451103782.71473
2002 1491070415.71473
2003 1535672136.71473
2004 1582213700.71473
2005 1630552094.71473
2006 1680063928.71473
2007 1736106689.71473
2008 1792937855.71473
2009 1843278431.71473
2010 1900567972.71473
2011 1963035317.71473
2012 2027908214.71473
2013 2094643947.71473
2014 2163066500.71473