Year Tonnes
1830 1437.22526
1831 3161.89557
1832 4311.67578
1833 5748.90104
1850 14659.69764
1855 41679.53251
1858 79622.27934
1859 119864.58659
1860 173041.92117
1861 240591.50834
1862 301529.85932
1863 365342.66081
1864 436916.47871
1865 505328.40103
1866 721487.07997
1867 969552.15966
1868 1175937.70684
1869 1455909.18727
1870 1759738.607
1871 2169922.69589
1872 2591029.69675
1873 2986266.64295
1874 3466012.43437
1875 4018194.37884
1876 4703750.82734
1877 5403392.08338
1878 6317754.79309
1879 7255975.4421
1880 8356602.54537
1881 9515868.4392
1882 10736935.01917
1883 12126731.84453
1884 13537799.60372
1885 15074768.29559
1886 16651116.95956
1887 18319160.59504
1888 20059065.49347
1889 21938093.79696
1890 24066049.5153
1891 26409014.13236
1892 28889090.03913
1893 31796021.84779
1894 34756705.88113
1895 38158618.06896
1896 41621756.05281
1897 45625865.62412
1898 50116619.66809
1899 55326273.78656
1900 61227808.14468
1901 67286574.94611
1902 73138381.31027
1903 78862562.07143
1904 85231194.63869
1905 90915995.42776
1906 97400180.90583
1907 104663055.02917
1908 111970483.13554
1909 119684358.54514
1910 127249337.4179
1911 135092563.10079
1912 143977202.20629
1913 153628744.70993
1914 162339479.5591
1915 170334763.67438
1916 178856359.67948
1917 186699010.47226
1918 189826700.08069
1919 192498214.39194
1920 194934311.20578
1921 197576218.6767
1922 200798190.26211
1923 204357334.89326
1924 208597724.29713
1925 212782924.25106
1926 218846865.06343
1927 226385973.88154
1928 234761547.80033
1929 243781573.52521
1930 256044266.87923
1931 270776113.22805
1932 287374052.85303
1933 305923456.93455
1934 328361130.23151
1935 353759200.11676
1936 382882845.31814
1937 412663015.01779
1938 444094556.53992
1939 475911561.87648
1940 514056095.1379
1941 547567589.05472
1942 570630455.3393
1943 600071439.87785
1944 627644319.02487
1945 656836376.14857
1946 689643629.68853
1947 729149215.27013
1948 771187766.64802
1949 818975506.50658
1950 872243673.72239
1951 929975287.70226
1952 991797819.65907
1953 1057203641.63138
1954 1128638336.11975
1955 1209639489.37643
1956 1298449662.35483
1957 1395636271.58719
1958 1499372028.87932
1959 1608437592.32156
1960 1721991897.69242
1961 1839096724.34288
1962 1962003629.36353
1963 2093813282.52793
1964 2233993048.15514
1965 2382697284.23797
1966 2539737139.37738
1967 2703945586.66316
1968 2872767527.03002
1969 3048584730.17701
1970 3233510779.56989
1971 3429787459.16749
1972 3636333688.13007
1973 3851643254.38628
1974 4075194445.16716
1975 4310223029.42059
1976 4554318492.94234
1977 4806736065.60325
1978 5067835628.60815
1979 5331107988.75946
1980 5604758265.06027
1981 5873238554.65975
1982 6146795123.87367
1983 6424273305.92904
1984 6704248810.59429
1985 7006194602.90229
1986 7308965075.06386
1987 7624490921.3982
1988 7948687835.16455
1989 8266094147.02764
1990 8563692332.92747
1991 8850535187.3248
1992 9112579007.3248
1993 9330200789.3248
1994 9530184301.3248
1995 9699350345.3248
1996 9840885544.3248
1997 9970345312.3248
1998 10097667219.3248
1999 10214160475.3248
2000 10332259877.3248
2001 10464110529.3248
2002 10597846019.3248
2003 10740055946.3248
2004 10913109010.3248
2005 11090437796.3248
2006 11283068973.3248
2007 11505417518.3248
2008 11738224347.3248
2009 11951563073.3248
2010 12200112333.3248
2011 12459171215.3248
2012 12702142968.3248
2013 12964989861.3248
2014 13213304433.3248