Year	kg per 2010 US$ of GDP
1960	0.759817515037124
1961	1.1877753651878
1962	1.81839305025512
1963	0.311405304478941
1964	0.83880842304924
1965	1.14048436481771
1966	0.855468566522181
1967	0.958866816851891
1968	0.79390971129541
1969	0.746859561468248
1970	1.6621967583368
1971	1.48151265407997
1972	1.42463763128926
1973	1.59779808635252
1974	1.64608841670719
1975	1.55287394427391
1976	2.41545845518137
1977	2.24820193712497
1978	1.93649684704807
1979	2.03959284936321
1980	1.8711062530538
1981	1.82329793885161
1982	1.87523201304798
1983	1.8496840350124
1984	2.11086509343002
1985	2.60577361980873
1986	2.25668094219074
1987	2.3829998440322
1988	2.24610741715669
1989	2.30416181999039
1990	2.39417754934448
1991	2.3204099675525
1992	2.3725050317619
1993	2.24123560373378
1994	2.10001551199799
1995	1.97445375008278
1996	2.22926826669645
1997	1.85212082630481
1998	1.78090900932798
1999	1.9435590279644
2000	1.92247549920948
2001	2.04028944125329
2002	2.05280581644794
2003	2.00474542140935
2004	1.94098624932851
2005	2.08549801891055
2006	2.06067948814747
2007	2.09612567735741
2008	1.97880816481822
2009	2.09347203974154
2010	2.16333313639324
2011	2.12440665158936
2012	2.02959347581519
2013	2.0388361126879
2014	2.0469584635009