Year	thousand metric tons of CO2 equivalent
1970	7577.998267898559
1971	4783.465352859501
1972	6131.21764732361
1973	9084.68566413879
1974	5036.63251960754
1975	5004.36861091614
1976	4911.414635696412
1977	7671.96365364075
1978	9297.12966194153
1979	8091.020207595831
1980	9359.03542037964
1981	8139.796790771481
1982	8059.451459350589
1983	15515.91682312012
1984	8878.96324310303
1985	7449.06580123901
1986	9030.343984375002
1987	12087.410638122561
1988	9445.201508483891
1989	6472.149587097169
1990	597.1322212219202
1991	-278.42522048950013
1992	-275.01809692382994
1993	-162.97397994994935
1994	-186.0904464721698
1995	-154.40015029907045
1996	-170.97908401488894
1997	-327.8937149047888
1998	-280.4169502258301
1999	-315.9735908508301
2000	-354.51244735717955
2001	-450.9551963806189
2002	-323.763729095459
2003	-332.8615989685095
2004	-242.94079589844114
2005	-250.92531585692996
2006	-355.23559570312864
2007	-307.55812835692996
2008	-620.9776611328089
2009	-375.70283508300963
2010	-300.9278335571289
2011	-304.68769836425963
2012	170.38108825683958
2013	129.64183044433958
2014	292.8152694702112
2015	-1159.6199340820312
2016	-902.1264572143591