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