Year Tonnes 1865 150347 1866 359366 1867 586720 1868 762736 1869 1030427 1870 1188108 1871 1386126 1872 1631815 1873 1870170 1874 2126860 1875 2478892 1876 2753917 1877 3201291 1878 3527654 1879 3652332 1880 3791678 1881 3975028 1882 4129042 1883 4290390 1884 4466406 1885 4660757 1886 4796436 1887 5042125 1888 5309816 1889 5713186 1890 6079886 1891 6483256 1892 6893960 1893 7319332 1894 7711701 1895 8085735 1896 8529442 1897 8844804 1898 9369185 1899 10040246 1900 11078007 1901 12027760 1902 13076522 1903 14282965 1904 15650756 1905 17183562 1906 18764039 1907 20645210 1908 22368700 1909 24326878 1910 26211716 1911 28441252 1912 30439767 1913 32478619 1914 34143437 1915 35181198 1916 35694578 1917 36086947 1918 36545322 1919 37484074 1920 38888535 1921 39731945 1922 40744037 1923 42218171 1924 44671394 1925 47040276 1926 50050883 1927 53332848 1928 56460799 1929 60014122 1930 63989150 1931 67931175 1932 71935539 1933 76603630 1934 82401157 1935 88341697 1936 94212564 1937 98462617 1938 103101372 1939 108011485 1940 113486316 1941 119111494 1942 124061944 1943 130185834 1944 137215473 1945 144311118 1946 151340757 1947 158825104 1948 166533138 1949 174508863 1950 184006393 1951 194200653 1952 204684606 1953 217662119 1954 231109008 1955 244742914 1956 259117554 1957 275105674 1958 291159800 1959 308372698 1960 325193227 1961 342556472 1962 364188105 1963 386857499 1964 413193893 1965 440582716 1966 472129917 1967 505653631 1968 541967932 1969 580775793 1970 623415669 1971 671149008 1972 725006237 1973 784492311 1974 845628535 1975 911326507 1976 985047875 1977 1066620290 1978 1143876646 1979 1219453516 1980 1295217403 1981 1375091997 1982 1462080571 1983 1552622468 1984 1648419176 1985 1755136210 1986 1872018168 1987 2001925310 1988 2128235125 1989 2267551789 1990 2413410381 1991 2562030224 1992 2715138475 1993 2874275274 1994 3031123865 1995 3203098831 1996 3391303939 1997 3589838986 1998 3790453222 1999 3987224442 2000 4203375757 2001 4397928442 2002 4603614139 2003 4822138003 2004 5047559494 2005 5284950073 2006 5546564854 2007 5831223063 2008 6115202877 2009 6393047800 2010 6691050222 2011 7011890720 2012 7341451344 2013 7666222866 2014 8012204316