Year Tonnes
1830 479.45722
1831 1054.80588
1832 1438.37166
1833 1917.82888
1850 4890.46364
1855 13904.25938
1858 26561.92999
1859 39986.73215
1860 57726.6493
1861 80261.13864
1862 100590.12477
1863 121878.02534
1864 145754.9949
1865 168577.15858
1866 240687.52448
1867 323441.84067
1868 392291.89747
1869 485690.16394
1870 587047.42027
1871 723884.51088
1872 864365.47636
1873 996216.21189
1874 1156259.03195
1875 1340466.4959
1876 1569167.58988
1877 1802567.36462
1878 2107598.04803
1879 2420587.7213
1880 2787756.06044
1881 3174486.25416
1882 3581833.10834
1883 4045468.24016
1884 4516199.33883
1885 5028930.88999
1886 5554799.56897
1887 6111257.6186
1888 6691688.52923
1889 7318530.89877
1890 8028415.25882
1891 8810026.419
1892 9637377.79797
1893 10607127.9713
1894 11594809.84467
1895 12729685.0846
1896 13884985.20211
1897 15220753.01726
1898 16718865.04713
1899 18456801.57848
1900 20425548.81557
1901 22446748.67255
1902 24398906.68983
1903 26308488.90597
1904 28433059.7396
1905 30329504.82791
1906 32492624.02203
1907 34915513.13799
1908 37353265.42777
1909 39926608.21939
1910 42450279.24301
1911 45066773.18444
1912 48030681.82754
1913 51250428.84327
1914 54156323.16274
1915 56823543.67805
1916 59666341.42736
1917 62282643.5859
1918 63326038.38824
1919 64217253.46893
1920 65029933.45696
1921 65911271.71892
1922 66986118.9149
1923 68173446.77471
1924 69588037.35683
1925 70984216.78171
1926 73007142.68468
1927 75522183.47834
1928 78316268.37408
1929 81325341.88731
1930 85416166.78049
1931 90330699.17777
1932 95867758.8296
1933 102055825.49486
1934 109541015.72333
1935 118013791.93372
1936 127729417.15
1937 137664058.42442
1938 148149596.04471
1939 158763724.09143
1940 171488710.49528
1941 182668118.60447
1942 190361872.72367
1943 200183362.09415
1944 209381652.96997
1945 219120100.34993
1946 230064574.42128
1947 243243606.81255
1948 257267634.60848
1949 273209587.17619
1950 290979806.01551
1951 310239027.19751
1952 330862975.41076
1953 352682306.36511
1954 376512864.46626
1955 403534785.71571
1956 433161789.82475
1957 465583166.50388
1958 500189333.84347
1959 536573520.338
1960 574455147.6223
1961 613521226.02309
1962 654522873.22134
1963 698494470.22367
1964 745258330.1843
1965 794865946.80869
1966 847254319.4181
1967 902034128.74983
1968 958352995.75803
1969 1017005476.9478
1970 1078696662.10701
1971 1144174408.60753
1972 1213078068.72842
1973 1284905171.30303
1974 1359481673.36048
1975 1437887024.88605
1976 1519317080.23023
1977 1603523384.66157
1978 1690625994.26798
1979 1778453447.2997
1980 1869742965.02619
1981 1959307779.24061
1982 2050566036.35635
1983 2143132540.4428
1984 2236532149.39487
1985 2337261029.08743
1986 2438265021.33288
1987 2543524196.40654
1988 2651676032.78041
1989 2757562529.68083
1990 2856841051.28265
1991 2952531602.72371
1992 3039949215.72371
1993 3116717860.72371
1994 3181774107.72371
1995 3242547298.72371
1996 3302711767.72371
1997 3362267514.72371
1998 3420367462.72371
1999 3476479896.72371
2000 3530267452.72371
2001 3583028248.72371
2002 3635433345.72371
2003 3688964211.72371
2004 3747122831.72371
2005 3806289876.72371
2006 3868361185.72371
2007 3928885020.72371
2008 3991990423.72371
2009 4053210988.72371
2010 4116254052.72371
2011 4180316542.72371
2012 4243539289.72371
2013 4307308419.72371
2014 4370806191.72371