Year	thousand metric tons of CO2 equivalent
1970	4338650.796870015
1971	3080195.3082191227
1972	3798805.3464041147
1973	3655137.8449111087
1974	3080296.78596909
1975	3350522.7250654027
1976	3498727.0443376508
1977	3932590.9294124674
1978	3874411.4849417508
1979	4376614.931185436
1980	4374367.5402842015
1981	3892819.1327038724
1982	5611461.975644934
1983	5133069.495758038
1984	3776932.7505400106
1985	3690100.4998942805
1986	4072422.9415655946
1987	5135464.911693823
1988	3895512.1282815556
1989	3855504.448534325
1990	-655293.178313128
1991	-605660.9916543782
1992	-557669.016141752
1993	-618779.8736055947
1994	-680457.1468893564
1995	-708296.1267331324
1996	-699121.6752807465
1997	-700261.0530325198
1998	-649004.0023585156
1999	-691761.3436288403
2000	-718438.7174110616
2001	-635253.0478570815
2002	-633710.7920732317
2003	-720158.9769021568
2004	-673563.6934987907
2005	-669690.1600878832
2006	-695873.8249188974
2007	-734985.1354244868
2008	-622189.9930739318
2009	-686606.7444994256
2010	-595019.3437407602
2011	-548965.4504120154
2012	-386285.42915549886
2013	-415617.6953100161
2014	-529791.4777573508
2015	-601895.4821011112
2016	-652788.84366968