Year	thousand metric tons of CO2 equivalent
1970	1939571.85219303
1971	1281243.827435688
1972	1328755.0355213187
1973	1406425.6638620247
1974	1209967.374629779
1975	1390901.693262433
1976	1273420.905462662
1977	1461433.3785212722
1978	1478914.9025168978
1979	1861669.7864510773
1980	1683225.3665638103
1981	1472606.9753503199
1982	1662340.6278513095
1983	1653604.5168699375
1984	1384738.769370789
1985	1368688.8159746483
1986	1295692.0979328882
1987	1643816.3722011787
1988	1268758.5890274988
1989	1398139.0094963955
1990	-28411.753862584737
1991	-24729.290800480292
1992	-26694.378785865927
1993	-14062.493535194353
1994	-18291.699064228862
1995	-20441.38609068982
1996	-30774.717979124882
1997	-36376.019182149204
1998	-29801.42082687028
1999	-29339.76403886403
2000	-34075.030589090515
2001	19309.649343972786
2002	28940.832496296753
2003	21985.866735674117
2004	35170.895586107275
2005	32638.26067243696
2006	38222.68867438426
2007	46076.64431370793
2008	53844.96098968685
2009	49897.32712372634
2010	73948.15391870779
2011	85793.2697238817
2012	120203.46651966534
2013	126314.073280774
2014	140038.67286886272
2015	127121.64340066898
2016	134050.18864143634