Year Tonnes
1807 168.682
1819 253.023
1820 333.697
1821 359.366
1822 366.7
1823 348.365
1824 399.703
1825 403.37
1826 458.375
1827 476.71
1828 458.375
1829 476.71
1830 495.045
1831 480.377
1832 513.38
1833 429.039
1834 586.72
1835 634.391
1836 674.728
1837 707.731
1838 850.744
1839 1059.763
1840 1169.773
1841 1320.12
1842 1459.466
1843 1268.782
1844 1595.145
1845 1800.497
1846 2115.859
1847 2082.856
1848 2335.879
1849 2262.539
1850 2328.545
1851 2335.879
1852 2812.589
1853 3226.96
1854 3179.289
1855 3703.67
1856 4235.385
1857 4877.11
1858 7249.659
1859 5870.867
1860 6153.226
1861 6384.247
1862 6358.578
1863 5881.868
1864 5078.795
1865 5357.487
1866 3597.327
1867 4917.447
1868 6076.219
1869 6490.59
1870 7370.67
1871 10150.256
1872 10014.577
1873 10736.976
1874 9160.166
1875 7865.715
1876 8096.736
1877 7289.996
1878 7245.992
1879 8870.473
1880 23666.818
1881 10322.605
1882 10608.631
1883 11771.07
1884 11470.376
1885 12057.096
1886 11378.701
1887 12266.115
1888 11961.754
1889 12885.838
1890 13047.186
1891 14957.693
1892 14477.316
1893 17715.277
1894 18144.316
1895 20388.52
1896 21316.271
1897 23039.761
1898 24473.558
1899 24836.591
1900 27696.851
1901 28386.247
1902 25676.334
1903 25569.991
1904 26948.783
1905 28129.557
1906 33564.051
1907 42152.165
1908 58991.029
1909 42203.503
1910 57564.566
1911 48078.037
1912 49981.21
1913 59676.758
1914 48873.776
1915 34928.175
1916 8038.064
1917 3454.314
1918 3340.637
1919 3017.941
1920 14539.655
1921 19354.426
1922 18602.691
1923 17792.284
1924 20109.828
1925 19006.061
1926 18635.694
1927 20139.164
1928 21209.928
1929 24194.866
1930 18881.383
1931 18118.647
1932 15185.047
1933 14242.628
1934 13765.918
1935 13934.6
1936 13604.57
1937 15273.055
1938 5793.86
1939 6343.91
1940 7352.335
1941 7983.059
1942 8555.111
1943 9622.208
1944 9398.521
1945 4565.415
1946 12772.161
1947 17645.604
1948 24510.228
1949 26600.418
1950 20916.568
1951 23289.117
1952 22093.675
1953 21737.976
1954 24532.23
1955 29101.312
1956 28235.9
1957 29211.322
1958 28118.556
1959 27942.54
1960 30821.135
1961 31862.563
1962 33905.082
1963 36992.696
1964 38943.54
1965 38188.138
1966 39258.902
1967 39966.633
1968 42350.183
1969 44693.396
1970 50692.608
1971 52155.741
1972 56193.108
1973 60164.469
1974 57469.224
1975 54392.611
1976 58415.31
1977 56218.777
1978 57483.892
1979 61594.599
1980 52306.088
1981 56130.769
1982 53868.23
1983 51983.392
1984 54550.292
1985 54700.639
1986 54080.916
1987 57744.249
1988 53340.182
1989 54117.586
1990 57685.577
1991 61605.6
1992 56658.817
1993 57102.524
1994 57054.853
1995 59783.101
1996 63178.743
1997 62658.029
1998 63662.787
1999 61869.624
2000 62283.995
2001 65888.656
2002 67073.097
2003 72195.896
2004 72390.247
2005 74216.413
2006 72162.893
2007 69735.339
2008 69027.608
2009 62731.369
2010 67502.136
2011 65019.577
2012 62272.994
2013 62485.68
2014 58712.337