Year	thousand metric tons of CO2 equivalent
1970	2060156.32994446
1971	1364185.5858836102
1972	1443196.0165547093
1973	1502871.6471611431
1974	1321760.3565047309
1975	1511203.685593105
1976	1414237.7308173908
1977	1569430.8870968597
1978	1611657.3374135906
1979	2005706.4799618297
1980	1833829.9712611448
1981	1613845.4323718147
1982	1809698.7701803537
1983	1803039.8237813457
1984	1507284.218057459
1985	1498369.211436278
1986	1433566.2760507239
1987	1813766.5712289393
1988	1411311.9117761347
1989	1538449.4415333665
1990	-4340.815492177597
1991	-4703.657634331004
1992	-5297.5629683757015
1993	-1539.5108385121578
1994	-7162.99841288119
1995	-7866.337826037415
1996	-8810.535995206848
1997	-9979.499815467592
1998	-6923.691148298982
1999	-7191.970029953449
2000	-6210.289850072286
2001	-7025.548577005264
2002	-6018.68847041192
2003	-6008.255361251824
2004	-5579.74760430634
2005	-3944.7821223866576
2006	-559.223024433828
2007	2890.3758402019707
2008	5535.171476098881
2009	10038.68672474723
2010	12201.083772206825
2011	16670.311992038867
2012	20538.942940142395
2013	16603.30033604056
2014	18789.65483878548
2015	23694.4225816876
2016	26895.849106915262