Year	thousand metric tons of CO2 equivalent
1970	141.35488007736228
1971	141.5309598197938
1972	116.01685909652713
1973	123.77238094711322
1974	129.6253807182312
1975	119.44760026931772
1976	123.94422008895879
1977	119.54227138900728
1978	130.9769802360538
1979	133.78910944747952
1980	138.50976044845572
1981	164.19530903244015
1982	132.72369964218126
1983	136.72954023361228
1984	129.99910917282102
1985	124.35141065597531
1986	158.1766301536561
1987	164.13198156356816
1988	170.5367694969177
1989	176.55711971664437
1990	-37.79541826248169
1991	-48.3018593788147
1992	-24.507280349731445
1993	-14.161643981933594
1994	-8.1260986328125
1995	5.560762405395508
1996	-5.425418853759766
1997	-9.750801086425781
1998	-15.90450668334961
1999	-15.619991302490234
2000	-26.5697021484375
2001	-31.23977279663086
2002	-27.68219757080078
2003	4.401838302612305
2004	12.164453506469727
2005	4.677104949951172
2006	1.673868179321289
2007	22.751224517822266
2008	19.574586868286133
2009	19.193410873413086
2010	26.06934356689453
2011	21.293752670288086
2012	33.919118881225586
2013	54.030744552612305
2014	73.57476234436035
2015	47.119184494018555
2016	35.85986328125