Year Tonnes per Person 1908 0 1909 0.07787 1910 0.19595 1911 0.36237 1912 0.56368 1913 0.62509 1914 0.79646 1915 0.90451 1916 1.10656 1917 1.38955 1918 1.99802 1919 1.66062 1920 2.24502 1921 2.61356 1922 2.59564 1923 3.16206 1924 4.28917 1925 4.99925 1926 4.99766 1927 5.30668 1928 8.07826 1929 8.85718 1930 8.83572 1931 7.3357 1932 7.65861 1933 9.45237 1934 10.94885 1935 11.48382 1936 12.74068 1937 15.80838 1938 17.87229 1939 19.88319 1940 22.04513 1941 19.72447 1942 20.56826 1943 19.25735 1944 19.72674 1945 19.74106 1946 19.04562 1947 20.26712 1948 20.69105 1949 21.86414 1950 3.64635 1951 3.81821 1952 4.14052 1953 4.22346 1954 3.95766 1955 3.68169 1956 3.77579 1957 3.26398 1958 4.30338 1959 3.73115 1960 3.04258 1961 5.31812 1962 8.22553 1963 1.46669 1964 4.20176 1965 5.69492 1966 4.40884 1967 5.00995 1968 4.33835 1969 4.16417 1970 9.51256 1971 8.47382 1972 8.50941 1973 9.56503 1974 10.08096 1975 9.5129 1976 15.52738 1977 15.55659 1978 14.54115 1979 15.64268 1980 15.60651 1981 15.65505 1982 16.44342 1983 14.31793 1984 15.1732 1985 17.72545 1986 14.68285 1987 14.65883 1988 13.16889 1989 13.30077 1990 13.93394 1991 13.83428 1992 15.47713 1993 14.44219 1994 13.94865 1995 13.56351 1996 16.36268 1997 14.5903 1998 15.14675 1999 17.82508 2000 18.80084 2001 20.71294 2002 22.39795 2003 24.91117 2004 25.90557 2005 29.41666 2006 32.74891 2007 34.73295 2008 33.74359 2009 33.96979 2010 36.09293 2011 35.16209 2012 33.855 2013 34.52003 2014 34.16324