Year Tonnes per Person 1911 0.00096 1912 0.00731 1913 0.00345 1914 0.02598 1915 0.00762 1916 0.01471 1917 0.03402 1918 0.06872 1919 0.05391 1920 0.03501 1921 0.04254 1922 0.03969 1923 0.0345 1924 0.0361 1925 0.03946 1926 0.03731 1927 0.03928 1928 0.05913 1929 0.06191 1930 0.06749 1931 0.0655 1932 0.06098 1933 0.05497 1934 0.05117 1935 0.04568 1936 0.04388 1937 0.04082 1938 0.05131 1939 0.12798 1940 0.17141 1941 0.22021 1942 0.2104 1943 0.22162 1944 0.23186 1945 0.22811 1946 0.21781 1947 0.22414 1948 0.30752 1949 0.36737 1950 0.49464 1951 0.49832 1952 0.50148 1953 0.48375 1954 0.50998 1955 0.45301 1956 0.41186 1957 0.48022 1958 0.5363 1959 0.48451 1960 0.59467 1961 0.61591 1962 0.65233 1963 0.73612 1964 0.84873 1965 0.89525 1966 0.83804 1967 0.60482 1968 0.68622 1969 0.57561 1970 0.6188 1971 0.64264 1972 0.69563 1973 0.63474 1974 0.68169 1975 0.79361 1976 0.86047 1977 0.92295 1978 0.93594 1979 0.99814 1980 1.02587 1981 1.12743 1982 1.21871 1983 1.19954 1984 1.30633 1985 1.27354 1986 1.44484 1987 1.40976 1988 1.36637 1989 1.2888 1990 1.32278 1991 1.33979 1992 1.3536 1993 1.52029 1994 1.3651 1995 1.50238 1996 1.57131 1997 1.63568 1998 1.81429 1999 1.82718 2000 2.02166 2001 1.7613 2002 1.75222 2003 1.99999 2004 2.00196 2005 2.17781 2006 2.28491 2007 2.37741 2008 2.45308 2009 2.50694 2010 2.41019 2011 2.52817 2012 2.47193 2013 2.37633 2014 2.19898