Year Kilotonnes
1850 0.1348
1851 0.1348
1852 0.2697
1853 0.4046
1854 0.5397
1855 0.6749
1856 0.8101
1857 0.9455
1858 1.081
1859 1.217
1860 1.352
1861 2.688
1862 4.024
1863 5.36
1864 6.696
1865 8.032
1866 9.368
1867 10.7
1868 12.04
1869 13.38
1870 14.71
1871 16.05
1872 17.39
1873 18.73
1874 20.06
1875 21.4
1876 22.74
1877 24.07
1878 25.41
1879 26.75
1880 28.09
1881 31.82
1882 29.56
1883 29.7
1884 29.84
1885 32.86
1886 35.87
1887 38.89
1888 42.05
1889 46.8
1890 49.48
1891 41.43
1892 53.77
1893 46.73
1894 58.37
1895 51.3
1896 57.83
1897 65.3
1898 67.51
1899 67.91
1900 81.09
1901 88.45
1902 44.23
1903 47.69
1904 57.05
1905 61.74
1906 59.15
1907 64.02
1908 72.41
1909 71.36
1910 70
1911 82.12
1912 82.39
1913 78.86
1914 86.37
1915 98.86
1916 98.05
1917 82.54
1918 93.15
1919 96.4
1920 96.76
1921 101.7
1922 98.82
1923 107.2
1924 110.4
1925 104.2
1926 105.1
1927 98.07
1928 103.6
1929 115.2
1930 125.4
1931 138.1
1932 141.1
1933 145
1934 149.1
1935 160
1936 155.5
1937 171.1
1938 172.3
1939 191.2
1940 198.8
1941 213.7
1942 213.1
1943 212.4
1944 223.8
1945 232.3
1946 237.3
1947 250.2
1948 252.1
1949 259.5
1950 239.9
1951 241.1
1952 253.3
1953 258.3
1954 271.4
1955 295.3
1956 309.3
1957 319.3
1958 339.1
1959 334.9
1960 344.9
1961 360.7
1962 376
1963 378.2
1964 408.2
1965 437.8
1966 472.7
1967 494.1
1968 526.2
1969 545
1970 557.2
1971 582.5
1972 590.3
1973 639.4
1974 671.3
1975 695.9
1976 759.3
1977 849.4
1978 874.9
1979 982.1
1980 1073
1981 1206
1982 1229
1983 1288
1984 1443
1985 1527
1986 1533
1987 1549
1988 1547
1989 1516
1990 1520
1991 1554
1992 1411
1993 1529
1994 1559
1995 1620
1996 1594
1997 1645
1998 1555
1999 1571
2000 1543