Year Tonnes
1800 407.037
1801 443.707
1802 451.041
1803 462.042
1804 458.375
1805 572.052
1806 520.714
1807 377.701
1808 502.379
1809 473.043
1810 568.385
1811 590.387
1812 454.708
1813 381.368
1814 502.379
1815 590.387
1816 678.395
1817 744.401
1818 924.084
1819 759.069
1820 748.068
1821 828.742
1822 909.416
1823 1221.111
1824 1276.116
1825 1327.454
1826 1221.111
1827 1309.119
1828 1210.11
1829 1067.097
1830 990.09
1831 810.407
1832 1034.094
1833 1074.431
1834 1129.436
1835 1210.11
1836 1371.458
1837 1474.134
1838 1587.811
1839 1683.153
1840 1969.179
1841 2141.528
1842 2284.541
1843 2247.871
1844 2394.551
1845 2794.254
1846 2951.935
1847 3025.275
1848 3047.277
1849 3006.94
1850 3204.958
1851 3461.648
1852 4132.709
1853 4319.726
1854 4781.768
1855 5625.178
1856 6321.908
1857 6721.611
1858 7711.701
1859 7117.647
1860 7491.681
1861 7675.031
1862 8811.801
1863 10062.248
1864 11228.354
1865 12431.13
1866 12163.439
1867 13303.876
1868 15130.042
1869 15625.087
1870 16677.516
1871 18987.726
1872 20648.877
1873 22368.7
1874 24517.562
1875 24077.522
1876 24609.237
1877 23153.438
1878 24352.547
1879 26508.743
1880 26369.397
1881 26252.053
1882 27267.812
1883 29952.056
1884 31228.172
1885 32625.299
1886 33457.708
1887 33703.397
1888 37531.745
1889 40549.686
1890 41899.142
1891 45379.125
1892 43131.254
1893 45371.791
1894 46130.86
1895 49031.457
1896 52768.13
1897 55137.012
1898 59893.111
1899 61968.633
1900 63358.426
1901 66952.086
1902 65543.958
1903 68543.564
1904 69438.312
1905 74946.146
1906 78756.159
1907 87267.266
1908 93097.796
1909 95613.358
1910 94623.268
1911 99683.728
1912 111025.759
1913 116302.572
1914 97083.825
1915 94821.286
1916 108865.896
1917 120981.664
1918 101608.903
1919 2731.915
1920 76442.282
1921 75008.485
1922 71829.196
1923 52592.114
1924 47876.352
1925 48114.707
1926 48169.712
1927 60718.186
1928 62944.055
1929 72753.28
1930 56614.813
1931 54872.988
1932 42012.819
1933 43241.264
1934 45254.447
1935 46189.532
1936 49940.873
1937 56387.459
1938 59992.12
1939 51943.055
1940 167383.882
1941 164937.993
1942 181762.189
1943 197948.327
1944 189195.198
1945 59508.076
1946 104685.516
1947 91627.329
1948 89005.424
1949 105521.592
1950 112224.868
1951 122243.112
1952 128157.983
1953 139320.331
1954 147703.093
1955 154344.03
1956 166569.808
1957 178846.924
1958 176899.747
1959 189836.923
1960 199767.159
1961 207434.856
1962 216815.042
1963 231219.018
1964 243114.766
1965 247221.806
1966 252678.302
1967 259282.569
1968 276073.762
1969 293653.36
1970 304441.674
1971 313246.141
1972 329952.993
1973 336128.221
1974 346876.198
1975 375559.472
1976 399035.606
1977 419024.423
1978 432056.941
1979 442489.556
1980 464575.897
1981 410062.275
1982 422211.046
1983 422339.391
1984 433894.108
1985 445899.866
1986 453369.545
1987 465353.301
1988 445976.873
1989 423787.856
1990 368423.49
1991 361643.207
1992 354745.58
1993 353253.111
1994 333972.025
1995 344213.956
1996 355754.005
1997 349523.772
1998 325431.582
1999 315721.366
2000 299289.539
2001 301284.387
2002 294834.134
2003 302252.475
2004 304416.005
2005 302538.501
2006 318940.992
2007 314272.901
2008 314848.62
2009 297617.387
2010 316264.082
2011 316997.482
2012 299931.264
2013 302278.144
2014 285739.974