Year Tonnes
1830 31.95845
1831 70.30859
1832 95.87535
1833 127.83381
1850 325.9762
1855 926.79509
1858 1770.49821
1859 2665.33485
1860 3847.79755
1861 5349.84476
1862 6704.8831
1863 8123.83834
1864 9715.36922
1865 11236.59151
1866 16043.1426
1867 21559.17131
1868 26148.40493
1869 32373.91126
1870 39129.92788
1871 48250.86991
1872 57614.69617
1873 66403.2703
1874 77071.00137
1875 89349.4384
1876 104593.61971
1877 120150.99385
1878 140482.96062
1879 161345.43769
1880 185819.21977
1881 211596.90666
1882 238748.80696
1883 269652.62946
1884 301029.43703
1885 335205.80495
1886 370257.83444
1887 407348.81312
1888 446037.71437
1889 487820.19372
1890 535137.87685
1891 587236.54431
1892 642384.04803
1893 707023.21181
1894 772857.62168
1895 848503.27612
1896 925510.36059
1897 1014546.60617
1898 1114403.98338
1899 1230246.97799
1900 1361474.77109
1901 1496198.81877
1902 1626320.84945
1903 1753604.96965
1904 1895219.25946
1905 2021627.71809
1906 2165811.46739
1907 2327310.30564
1908 2489799.8559
1909 2661327.2562
1910 2829543.76094
1911 3003947.42187
1912 3201508.17668
1913 3416121.96115
1914 3609815.74334
1915 3787600.60843
1916 3977088.65842
1917 4151479.53597
1918 4221027.51789
1919 4280431.88733
1920 4334601.46244
1921 4393347.48779
1922 4464991.94412
1923 4544133.85314
1924 4638424.06812
1925 4731487.07857
1926 4866326.17668
1927 5033967.4293
1928 5220208.50063
1929 5420779.74156
1930 5693455.64051
1931 6021036.15896
1932 6390111.53069
1933 6802580.08773
1934 7301509.03915
1935 7866266.00875
1936 8513865.67605
1937 9176063.96394
1938 9874982.51248
1939 10582472.31768
1940 11430662.40098
1941 12175831.22037
1942 12688662.09815
1943 13343318.19152
1944 13956434.68976
1945 14605555.57935
1946 15335064.75756
1947 16213519.49432
1948 17148297.80582
1949 18210916.31457
1950 19395398.79016
1951 20679131.43239
1952 22053830.61067
1953 23508208.59995
1954 25096645.90112
1955 26897805.04645
1956 28872607.24156
1957 31033669.68307
1958 33340360.39588
1959 35765565.82982
1960 38290583.89915
1961 40894552.1268
1962 43627536.62271
1963 46558484.54991
1964 49675552.10633
1965 52982171.62964
1966 56474143.77933
1967 60125518.29286
1968 63879479.43536
1969 67788988.75247
1970 71901044.3428
1971 76265494.99884
1972 80858301.57345
1973 85645971.60957
1974 90616904.18935
1975 95843050.57024
1976 101270810.03758
1977 106883621.72185
1978 112689488.01929
1979 118543669.10354
1980 124628615.77359
1981 130598601.5023
1982 136681464.48132
1983 142851529.29081
1984 149077125.10543
1985 155791256.98309
1986 162523726.62016
1987 169539827.51332
1988 176748740.13541
1989 183806655.46637
1990 190424113.02857
1991 196802412.71563
1992 202629275.71563
1993 205185174.71563
1994 207891420.71563
1995 211301730.71563
1996 213864963.71563
1997 217099257.71563
1998 220461896.71563
1999 223476170.71563
2000 226941485.71563
2001 230483807.71563
2002 233527417.71563
2003 236956062.71563
2004 240601060.71563
2005 244953789.71563
2006 249335854.71563
2007 254399981.71563
2008 259959153.71563
2009 264319216.71563
2010 268536266.71563
2011 273453713.71563
2012 279148564.71563
2013 284645397.71563
2014 290175233.71563