Year	thousand metric tons of CO2 equivalent
1970	131151.1626464844
1971	95406.8002148437
1972	423065.92285156256
1973	174947.02441406253
1974	110674.97621093752
1975	110023.82990234371
1976	223379.89013671872
1977	471870.4794921875
1978	207832.53046875
1979	350058.13916015625
1980	366356.141796875
1981	303698.1989257812
1982	1719150.0078125
1983	678262.6689453126
1984	374035.2998046875
1985	394095.1984375
1986	669232.4375
1987	1161571.03125
1988	445094.01093750005
1989	503150.041796875
1990	-11162.2890625
1991	-10219.009765625
1992	-9060.5078125
1993	-11893.2421875
1994	-13240.06640625
1995	-11908.44921875
1996	-13766.46484375
1997	-14903.458984375
1998	-13799.982421875
1999	-12701
2000	-13692.33984375
2001	-12961.5234375
2002	-15913.25
2003	-16176.7734375
2004	-13793.5546875
2005	-15021.71875
2006	-18154.21484375
2007	-17181.46875
2008	-17313.5546875
2009	-14882.626953125
2010	-4542.087890625
2011	51457.34765625
2012	46336.25390625
2013	5160.708984375
2014	4190.6640625
2015	-4637.78515625
2016	-32215.6484375