Year	Tonnes per Person
1921	0.00447
1922	0.02125
1923	0.02709
1924	0.02795
1925	0.06106
1926	0.11362
1927	0.10788
1928	0.17198
1929	0.1611
1930	0.08015
1931	0.04005
1932	0.00967
1933	0.06344
1934	0.08631
1935	0.27836
1936	0.31869
1937	0.31494
1938	0.33414
1939	0.50482
1940	0.44157
1941	0.38544
1942	0.41887
1943	0.36561
1944	0.45217
1945	0.41621
1946	0.4488
1947	0.44614
1948	0.38484
1949	0.42866
1950	0.60825
1951	0.6436
1952	0.66156
1953	0.80169
1954	0.69681
1955	0.84063
1956	0.86154
1957	0.90658
1958	0.90126
1959	1.00691
1960	0.99572
1961	1.07274
1962	1.11099
1963	1.17878
1964	1.16826
1965	1.19544
1966	1.19169
1967	1.21683
1968	1.27261
1969	1.30515
1970	1.28753
1971	1.34115
1972	1.36007
1973	1.42346
1974	1.50691
1975	1.44995
1976	1.50411
1977	1.51917
1978	1.57281
1979	1.63878
1980	1.59911
1981	1.56677
1982	1.58178
1983	1.66569
1984	1.61384
1985	1.56002
1986	1.55041
1987	1.5619
1988	1.59043
1989	1.58319
1990	1.67303
1991	1.63591
1992	1.74498
1993	1.7688
1994	1.83502
1995	1.59218
1996	1.59078
1997	1.67962
1998	1.68162
1999	1.41922
2000	1.43362
2001	1.3729
2002	1.3389
2003	1.36224
2004	1.28899
2005	1.40799
2006	1.43582
2007	1.4069
2008	1.5164
2009	1.59991
2010	1.65892
2011	1.64912
2012	1.7054
2013	1.8931
2014	1.75954