Year Tonnes
1830 308.46241
1831 678.6173
1832 925.38723
1833 1233.84964
1850 3146.31658
1855 8945.40988
1858 17088.8175
1859 25725.76497
1860 37138.87413
1861 51636.60738
1862 64715.41355
1863 78411.14454
1864 93772.57254
1865 108455.38324
1866 154848.12966
1867 208088.74157
1868 252383.9436
1869 312472.42101
1870 377681.37441
1871 465716.54614
1872 556096.03217
1873 640923.19484
1874 743887.94719
1875 862399.20499
1876 1009535.7744
1877 1159695.27544
1878 1355939.06048
1879 1557303.32152
1880 1793523.83485
1881 2042329.6145
1882 2304399.27776
1883 2602682.42793
1884 2905530.82175
1885 3235400.52266
1886 3573722.0936
1887 3931723.56628
1888 4305148.15944
1889 4708431.91385
1890 5165141.35763
1891 5667996.77789
1892 6200279.51204
1893 6824175.58186
1894 7459608.1458
1895 8189738.66952
1896 8933009.69188
1897 9792385.96525
1898 10756207.61054
1899 11874322.15316
1900 13140930.49979
1901 14441284.63404
1902 15697220.1813
1903 16925764.26658
1904 18292622.89635
1905 19512715.11161
1906 20904374.11912
1907 22463158.06021
1908 24031504.33599
1909 25687083.78123
1910 27310706.52083
1911 28994047.58294
1912 30900900.50711
1913 32972348.97308
1914 34841877.94567
1915 36557854.33073
1916 38386789.65021
1917 40070007.32736
1918 40741283.22331
1919 41314653.15042
1920 41837496.93483
1921 42404512.53631
1922 43096023.56633
1923 43859899.87767
1924 44769987.37119
1925 45668229.90818
1926 46969694.50711
1927 48587764.92333
1928 50385360.46199
1929 52321270.54515
1930 54953133.51703
1931 58114934.90874
1932 61677243.89318
1933 65658383.13749
1934 70474036.58495
1935 75925060.90387
1936 82175681.48117
1937 88567207.68721
1938 95313157.20197
1939 102141836.33501
1940 110328552.07291
1941 117520908.38696
1942 122470742.98263
1943 128789472.05998
1944 134707261.69723
1945 140972565.08523
1946 148013774.81854
1947 156492604.45841
1948 165515068.2491
1949 175771443.371
1950 187204047.35349
1951 199594612.19549
1952 212863184.4404
1953 226900815.16513
1954 242232384.006
1955 259617140.33818
1956 278677896.32712
1957 299536432.93217
1958 321800571.04565
1959 345208611.15919
1960 369580041.07065
1961 394713496.51899
1962 421092214.7152
1963 449381672.46195
1964 479467553.5902
1965 511382986.96274
1966 545087440.61896
1967 580330443.08218
1968 616563609.88048
1969 654298124.91918
1970 693987613.01796
1971 736113213.84343
1972 780442901.97104
1973 826653408.79544
1974 874632762.46192
1975 925075435.23962
1976 977464073.97504
1977 1031638833.44748
1978 1087676952.64432
1979 1144181405.31212
1980 1202913203.34774
1981 1260535400.40325
1982 1319247086.68976
1983 1378800443.50733
1984 1438889784.60796
1985 1503694467.18041
1986 1568676145.48355
1987 1636395427.6726
1988 1705975725.27174
1989 1774098599.67762
1990 1837970183.4608
1991 1899533419.64736
1992 1955774198.64736
1993 2004226269.64736
1994 2046202418.64736
1995 2079535448.64736
1996 2110792956.64736
1997 2140601999.64736
1998 2172277545.64736
1999 2200854476.64736
2000 2230362825.64736
2001 2259134107.64736
2002 2288748799.64736
2003 2319364582.64736
2004 2351454499.64736
2005 2385792287.64736
2006 2424959514.64736
2007 2455468954.64736
2008 2490972848.64736
2009 2522875748.64736
2010 2553553870.64736
2011 2587000577.64736
2012 2622555809.64736
2013 2658199049.64736
2014 2695686790.64736