Year Tonnes per Person 1917 0.01407 1918 0.01396 1919 0.01385 1920 0.01373 1921 0.01362 1922 0.0135 1923 0.01913 1924 0.02277 1925 0.03576 1926 0.04667 1927 0.11848 1928 0.23686 1929 0.29863 1930 0.3321 1931 0.36755 1932 0.33278 1933 0.3318 1934 0.32754 1935 0.34228 1936 0.3733 1937 0.40591 1938 0.4189 1939 0.42519 1940 0.42163 1941 0.27643 1942 0.38968 1943 0.3826 1944 0.46873 1945 0.42275 1946 0.36992 1947 0.37794 1948 0.40817 1949 0.39323 1950 0.21346 1951 0.19771 1952 0.2448 1953 0.21892 1954 0.25031 1955 0.303 1956 0.31924 1957 0.27112 1958 0.30808 1959 0.29294 1960 0.38803 1961 0.35205 1962 0.32534 1963 0.36272 1964 0.42067 1965 0.43374 1966 0.44772 1967 0.46578 1968 0.54388 1969 0.60911 1970 0.70532 1971 0.67603 1972 0.71472 1973 0.79586 1974 0.89596 1975 1.0538 1976 1.12982 1977 1.01493 1978 1.37683 1979 1.56537 1980 1.68537 1981 2.03981 1982 2.29817 1983 2.27232 1984 2.40913 1985 2.14807 1986 1.64746 1987 1.5904 1988 1.77341 1989 2.03135 1990 1.64687 1991 1.57708 1992 2.08121 1993 2.21034 1994 1.21933 1995 1.99655 1996 2.07055 1997 1.53968 1998 1.84648 1999 1.73373 2000 1.64061 2001 1.79858 2002 1.90867 2003 2.02919 2004 2.15004 2005 2.20337 2006 2.06618 2007 2.24479 2008 2.34423 2009 2.4551 2010 2.44136 2011 2.54391 2012 2.4735 2013 2.61769 2014 2.7617