Year	Tonnes per Person
1915	0.001
1916	0.0036
1917	0.01214
1918	0.0216
1919	0.01993
1920	0.02613
1921	0.03053
1922	0.01619
1923	0.0251
1924	0.02871
1925	0.03405
1926	0.04611
1927	0.05079
1928	0.05065
1929	0.04859
1930	0.04884
1931	0.04534
1932	0.03394
1933	0.03062
1934	0.03262
1935	0.03131
1936	0.03418
1937	0.04095
1938	0.03936
1939	0.03198
1940	0.0314
1941	0.03588
1942	0.04346
1943	0.04601
1944	0.05394
1945	0.0434
1946	0.04965
1947	0.04565
1948	0.04621
1949	0.0404
1950	0.05966
1951	0.0439
1952	0.05589
1953	0.06145
1954	0.06377
1955	0.06569
1956	0.07206
1957	0.0748
1958	0.08582
1959	0.08062
1960	0.07547
1961	0.08932
1962	0.08889
1963	0.11139
1964	0.14828
1965	0.23468
1966	0.25202
1967	0.24528
1968	0.12398
1969	0.22136
1970	0.38477
1971	0.56341
1972	0.70618
1973	0.82478
1974	1.01002
1975	0.74788
1976	0.84701
1977	0.75232
1978	0.69695
1979	0.98456
1980	0.92777
1981	0.87382
1982	0.84678
1983	0.75419
1984	0.85432
1985	0.83591
1986	0.85652
1987	0.67358
1988	0.78217
1989	0.45713
1990	0.41143
1991	0.43257
1992	0.46512
1993	0.43924
1994	0.3341
1995	0.33183
1996	0.35821
1997	0.37286
1998	0.32538
1999	0.33761
2000	0.62163
2001	0.68334
2002	0.72806
2003	0.76998
2004	0.77038
2005	0.76341
2006	0.69342
2007	0.64921
2008	0.63951
2009	0.49699
2010	0.57711
2011	0.58752
2012	0.58879
2013	0.57113
2014	0.54562