Year	kg per 2010 US$ of GDP
1960	3.25703982275004
1961	2.68117431860849
1962	2.19614809653764
1963	2.06441369607023
1964	1.90430171317318
1965	1.88491485323919
1966	1.93332562114084
1967	1.69491138143611
1968	1.80362669973577
1969	1.9656489952817
1970	2.25986403913445
1971	2.38194225197294
1972	2.40236842741271
1973	2.32451772367132
1974	2.26193924114564
1975	2.43256932364811
1976	2.46469885037344
1977	2.52252566294348
1978	2.5746763961544
1979	2.462938818523
1980	2.2577310228017
1981	2.1202068136198
1982	2.15894132856818
1983	2.12153153121201
1984	2.08918289359503
1985	2.10711981304482
1986	2.06860783095425
1987	2.02754454645745
1988	1.98610785321093
1989	1.91107796417575
1990	1.86449732604439
1991	1.83661969622693
1992	1.7515577482707
1993	1.69761132094381
1994	1.62760657932343
1995	1.61640390045705
1996	1.55999037188854
1997	1.47749288307126
1998	1.36908535764973
1999	1.29926598673536
2000	1.25195786327194
2001	1.21373856006489
2002	1.23012517061126
2003	1.31326428803294
2004	1.37394220178655
2005	1.39225292353249
2006	1.37276750132758
2007	1.31539793181752
2008	1.30312954221772
2009	1.27990535073375
2010	1.2698808306785
2011	1.3058297740277
2012	1.25199800201493
2013	1.18128964498237
2014	1.11127251710136