Year Kilotonnes
1850 0
1851 0.4541
1852 0.9083
1853 1.362
1854 1.817
1855 2.271
1856 2.725
1857 3.179
1858 3.633
1859 4.087
1860 4.541
1861 4.973
1862 5.4
1863 5.822
1864 6.241
1865 6.656
1866 7.066
1867 7.472
1868 7.874
1869 8.272
1870 8.666
1871 10.06
1872 11.45
1873 12.83
1874 14.22
1875 15.6
1876 16.97
1877 18.35
1878 19.72
1879 21.08
1880 22.51
1881 23.67
1882 24.81
1883 25.93
1884 27.04
1885 28.13
1886 29.2
1887 30.26
1888 31.3
1889 32.33
1890 33.34
1891 34.83
1892 36.74
1893 36.93
1894 39.3
1895 45.9
1896 48.83
1897 50.62
1898 55.54
1899 59.98
1900 69.91
1901 74.48
1902 82.06
1903 82.48
1904 90.07
1905 92.23
1906 105.2
1907 118.2
1908 133.7
1909 125.6
1910 128.6
1911 136.3
1912 164.8
1913 177.8
1914 179
1915 183.9
1916 184.2
1917 192
1918 214.4
1919 277.6
1920 186.2
1921 199.1
1922 196.5
1923 202.8
1924 217.3
1925 217.2
1926 221.7
1927 237.4
1928 241.2
1929 245.2
1930 252.3
1931 228.5
1932 212.9
1933 212.2
1934 234.8
1935 246.4
1936 240.4
1937 261.3
1938 290.6
1939 286.3
1940 300.8
1941 299.4
1942 298.1
1943 259.9
1944 264.7
1945 292.5
1946 298.7
1947 301.5
1948 314.9
1949 329.6
1950 316.7
1951 328.1
1952 346.1
1953 347.7
1954 367
1955 417.9
1956 433.2
1957 479.3
1958 499
1959 521.1
1960 574
1961 610.2
1962 661
1963 718.9
1964 684.7
1965 736.7
1966 755.5
1967 773.4
1968 818
1969 815.7
1970 846.5
1971 834.3
1972 864.6
1973 895.8
1974 970.7
1975 1084
1976 1139
1977 1147
1978 1157
1979 1190
1980 1268
1981 1409
1982 1481
1983 1532
1984 1634
1985 1701
1986 1805
1987 1915
1988 2043
1989 2128
1990 2219
1991 2342
1992 2432
1993 2520
1994 2645
1995 2805
1996 3053
1997 3138
1998 2927
1999 2775
2000 2731