Year Tonnes
1830 121.47832
1831 267.2523
1832 364.43495
1833 485.91327
1850 1239.07884
1855 3522.87121
1858 6729.89879
1859 10131.29167
1860 14625.98942
1861 20335.47034
1862 25486.151
1863 30879.78829
1864 36929.4085
1865 42711.77641
1866 60982.11535
1867 81949.27294
1868 99393.55932
1869 123057.53556
1870 148738.05187
1871 183407.96366
1872 219001.11067
1873 252407.64796
1874 292957.11032
1875 339629.07988
1876 397574.2373
1877 456709.88222
1878 533994.38777
1879 613295.43339
1880 706323.52888
1881 804307.93973
1882 907515.91822
1883 1024985.45117
1884 1144252.86323
1885 1274161.77589
1886 1407399.19445
1887 1548386.92967
1888 1695448.58075
1889 1854269.33296
1890 2034130.12976
1891 2232164.08284
1892 2441787.0674
1893 2687489.11224
1894 2937734.44615
1895 3225273.62352
1896 3517987.7772
1897 3856426.36957
1898 4235997.52022
1899 4676332.12526
1900 5175146.3923
1901 5687250.38727
1902 6181861.50453
1903 6665685.34721
1904 7203980.06742
1905 7684475.40419
1906 8232536.98113
1907 8846415.51044
1908 9464059.8676
1909 10116058.29293
1910 10755471.56457
1911 11418403.03847
1912 12169357.70118
1913 12985133.19407
1914 13721388.98037
1915 14397172.86025
1916 15117442.09997
1917 15780324.98254
1918 16044686.09694
1919 16270489.99339
1920 16476395.74143
1921 16699697.18454
1922 16972027.27656
1923 17272856.18185
1924 17631265.80961
1925 17985010.66998
1926 18497551.98689
1927 19134778.64882
1928 19842705.69149
1929 20605103.6117
1930 21641580.91171
1931 22886757.96106
1932 24289662.45777
1933 25857510.21389
1934 27754005.41
1935 29900721.64435
1936 32362333.97315
1937 34879437.59736
1938 37536119.8083
1939 40225382.50397
1940 43449465.63998
1941 46281951.27191
1942 48231289.5361
1943 50719724.27739
1944 53050261.50168
1945 55517656.1984
1946 58290617.45478
1947 61629740.5574
1948 65182957.04666
1949 69222111.10131
1950 73724486.276
1951 78604124.51332
1952 83829538.63337
1953 89357822.49445
1954 95395683.6015
1955 102242128.68505
1956 109748614.05854
1957 117963099.36169
1958 126731137.06173
1959 135949664.95413
1960 145547593.92754
1961 155445622.93634
1962 165834059.91262
1963 176974982.1784
1964 188823369.86926
1965 201392269.75647
1966 214665719.58913
1967 228545078.97349
1968 242814383.75681
1969 257674947.80673
1970 273305417.13689
1971 289895273.62681
1972 307353141.28611
1973 325551710.83814
1974 344446885.65365
1975 364312162.01652
1976 384943796.49275
1977 406278839.01824
1978 428347707.76369
1979 450600227.42943
1980 473729917.7297
1981 496422626.22649
1982 519544396.14046
1983 542997631.79137
1984 566661948.16666
1985 592183254.98922
1986 617774266.07033
1987 644443397.21866
1988 671845431.35172
1989 698673504.73058
1990 723827339.6429
1991 748072103.71455
1992 770220783.71455
1993 787716040.71455
1994 805075618.71455
1995 821280091.71455
1996 837011521.71455
1997 852350582.71455
1998 868547721.71455
1999 882240299.71455
2000 894403738.71455
2001 907289576.71455
2002 920432104.71455
2003 933255603.71455
2004 946500807.71455
2005 960402404.71455
2006 974560691.71455
2007 989727403.71455
2008 1004736434.71455
2009 1017255572.71455
2010 1030724463.71455
2011 1044512383.71455
2012 1058344307.71455
2013 1070984456.71455
2014 1083822623.71455