Year	Tonnes per Person
1850	0.07809
1880	0.09667
1881	0.09722
1910	0.06994
1913	0.07287
1914	0.08181
1915	0.07502
1916	0.08025
1917	0.08511
1918	0.08096
1919	0.08162
1920	0.0955
1921	0.07839
1924	2.24905
1925	2.03943
1926	2.75131
1927	2.29752
1928	2.22224
1929	3.43793
1930	3.28835
1931	3.38338
1932	2.20065
1933	3.15943
1934	3.22515
1935	3.24078
1936	3.4577
1937	3.54244
1938	3.42232
1939	3.95509
1940	3.92766
1941	2.8705
1942	2.387
1943	2.4328
1944	2.17731
1945	2.33754
1946	2.79433
1947	2.99307
1948	2.86091
1949	2.8468
1950	3.34211
1951	3.60033
1952	3.29322
1953	3.26739
1954	3.12439
1955	4.04412
1956	3.79312
1957	3.39667
1958	3.15026
1959	4.35312
1960	3.96182
1961	4.38474
1962	4.64452
1963	4.74831
1964	4.99822
1965	4.80179
1966	5.26161
1967	5.68968
1968	6.145
1969	6.33791
1970	6.58072
1971	7.5322
1972	7.27738
1973	7.4238
1974	7.4425
1975	6.92603
1976	6.8864
1977	7.16092
1978	7.05068
1979	8.07554
1980	7.64369
1981	7.4979
1982	7.28826
1983	7.27944
1984	7.1881
1985	7.49661
1986	7.98735
1987	8.45458
1988	8.3612
1989	8.41481
1990	8.74613
1991	8.77999
1992	8.64791
1993	8.67002
1994	9.00876
1995	9.02905
1996	9.48576
1997	9.80938
1998	10.27973
1999	10.57872
2000	10.712
2001	11.26282
2002	10.91813
2003	10.54131
2004	10.59933
2005	10.33433
2006	10.02949
2007	10.14953
2008	9.57755
2009	8.8254
2010	8.65685
2011	7.64217
2012	7.60817
2013	7.44449
2014	7.26929