Year Tonnes
1830 115.02227
1831 253.04899
1832 345.0668
1833 460.08907
1850 1173.22713
1855 3335.64577
1858 6372.23364
1859 9592.85713
1860 13848.68104
1861 19254.72763
1862 24131.67178
1863 29238.66047
1864 34966.76941
1865 40441.82935
1866 57741.17843
1867 77594.02185
1868 94111.2195
1869 116517.55726
1870 140833.26467
1871 173660.6199
1872 207362.14436
1873 238993.268
1874 277387.70098
1875 321579.25626
1876 376444.878
1877 432437.71795
1878 505614.88471
1879 580701.42112
1880 668785.47379
1881 761562.43498
1882 859285.35369
1883 970511.88663
1884 1083440.74914
1885 1206445.56231
1886 1332601.98561
1887 1466096.8296
1888 1605342.78697
1889 1755722.89987
1890 1926024.86955
1891 2113534.17049
1892 2312016.59577
1893 2544660.63459
1894 2781606.50622
1895 3053864.21405
1896 3331021.8705
1897 3651473.90854
1898 4010872.48645
1899 4427805.20271
1900 4900109.63867
1901 5384997.51073
1902 5853322.17623
1903 6311432.86435
1904 6821119.53734
1905 7276078.61533
1906 7795013.07865
1907 8376266.60666
1908 8961085.82497
1909 9578433.3406
1910 10183864.5493
1911 10811564.06904
1912 11522608.72401
1913 12295029.26107
1914 12992156.22164
1915 13632025.09731
1916 14314015.12744
1917 14941668.63827
1918 15191980.09742
1919 15405783.48877
1920 15600746.23266
1921 15812180.1653
1922 16070037.08521
1923 16354878.22914
1924 16694239.92801
1925 17029184.77179
1926 17514486.72401
1927 18117847.53189
1928 18788151.29961
1929 19510031.05221
1930 20491424.04537
1931 21670425.29459
1932 22998771.45629
1933 24483294.85319
1934 26278999.49334
1935 28311627.00067
1936 30642415.23054
1937 33025745.63234
1938 35541236.61981
1939 38087576.57951
1940 41140313.57534
1941 43822264.78875
1942 45668004.11539
1943 48024189.26198
1944 50230868.46492
1945 52567131.75474
1946 55192722.05694
1947 58354385.14036
1948 61718763.46851
1949 65543253.87225
1950 69806347.18749
1951 74426653.65756
1952 79374359.51064
1953 84608838.88175
1954 90325813.66175
1955 96808399.66056
1956 103915947.64914
1957 111693868.4188
1958 119995922.65828
1959 128724525.47561
1960 137812365.83967
1961 147184357.21406
1962 157020693.48349
1963 167569523.68846
1964 178788220.57654
1965 190689137.53928
1966 203257160.6507
1967 216398891.82937
1968 229909844.48761
1969 243980633.5276
1970 258780410.69634
1971 274488587.7271
1972 291018644.87008
1973 308250038.78863
1974 326141016.39954
1975 344950538.8365
1976 364485690.75199
1977 384686867.60684
1978 405582870.97691
1979 426652765.01141
1980 448553211.83711
1981 470039900.56114
1982 491932847.93498
1983 514139645.06868
1984 536546304.89489
1985 560711264.11976
1986 584942223.12189
1987 610194004.75058
1988 636139738.72525
1989 661542015.4891
1990 685359032.35393
1991 708315291.58005
1992 729286864.58005
1993 744915618.58005
1994 757005717.58005
1995 768197401.58005
1996 779719115.58005
1997 786818427.58005
1998 793088997.58005
1999 797592073.58005
2000 801105059.58005
2001 804819730.58005
2002 808805759.58005
2003 813096149.58005
2004 817650563.58005
2005 822546008.58005
2006 827540462.58005
2007 832219554.58005
2008 836997655.58005
2009 841548402.58005
2010 846480517.58005
2011 851518975.58005
2012 856443756.58005
2013 861441877.58005
2014 866373992.58005