Year	thousand metric tons of CO2 equivalent
1970	1911315.7534122295
1971	1256843.7441141058
1972	1311541.0606510288
1973	1389154.8930506972
1974	1196567.7940004906
1975	1374630.8112638008
1976	1258186.714293956
1977	1445266.6026150447
1978	1464844.8796007016
1979	1847034.9210470594
1980	1669735.0865101537
1981	1469462.1536929563
1982	1660548.9119844965
1983	1648137.2279537912
1984	1383880.0262793985
1985	1369897.9990314622
1986	1291674.7799993977
1987	1640640.049689282
1988	1263225.8013327115
1989	1390943.8528225191
1990	-10799.798360789386
1991	-15041.666436417243
1992	-14238.92230883484
1993	-11087.917997393542
1994	-15600.762215640767
1995	-21227.01758577866
1996	-19084.62292229326
1997	-23466.968938742168
1998	-22906.338837194475
1999	-23920.600887696724
2000	-29057.23904422049
2001	-21161.415626595044
2002	-15734.522466663147
2003	-16969.989068322153
2004	-7584.197195093737
2005	16747.26696212768
2006	37401.65028455247
2007	33903.03472554685
2008	34043.70227127074
2009	33317.41848276052
2010	41579.70206188604
2011	53707.56250447476
2012	70373.76171038715
2013	78233.21057575937
2014	87904.41840100287
2015	72012.22802641978
2016	83129.0874119103