Year	thousand metric tons of CO2 equivalent
1970	-90.11529182910903
1971	-86.08466502380399
1972	-100.85887350463904
1973	-100.48171306800803
1974	-106.04523125839198
1975	-111.05891584587096
1976	-86.71142449855796
1977	-115.100636746407
1978	-127.22464219856302
1979	-112.98562857151
1980	-148.32257548522898
1981	39.30567405796107
1982	40.54361146640804
1983	85.97981942176798
1984	69.22920188140891
1985	-12.36751911449403
1986	-67.26953462123896
1987	-113.97943607807201
1988	-158.67735847377799
1989	-172.65577653503397
1990	-169.29276931285858
1991	-100.96612501144409
1992	0.7227904796600342
1993	-8.182443141937256
1994	-35.39510405063629
1995	-32.66206228733063
1996	-136.47819471359253
1997	-198.646516680717
1998	-146.3295795917511
1999	-249.92611896991684
2000	-217.37224340438797
2001	-270.252351284027
2002	-237.341522455215
2003	-255.67620944976795
2004	-333.519112586975
2005	-298.46519637107804
2006	-257.875459194183
2007	-256.28244757652305
2008	-275.232708692551
2009	666.737419128418
2010	-327.04217863082897
2011	-241.77013254165604
2012	-176.18623399734497
2013	-450.69555640221006
2014	-466.52025127411
2015	-337.4898512959501
2016	-344.10484814643996