Year	thousand metric tons of CO2 equivalent
1970	1926130.3032414126
1971	1509364.7663579548
1972	2073336.760991322
1973	1639273.4018817798
1974	1573086.9793212542
1975	1721066.617202886
1976	1995538.1222573002
1977	2029829.2255617918
1978	1836370.5065942402
1979	2038453.0232678321
1980	2092247.5276074
1981	1940859.3172925652
1982	3417828.569807943
1983	2434509.7782576247
1984	1825454.9493596815
1985	1849742.5872363113
1986	2197192.3158876235
1987	2657640.7299655313
1988	2001447.0530940995
1989	2055731.1613058879
1990	-650012.0022041188
1991	-590334.9656696455
1992	-550456.0478427929
1993	-603210.342400845
1994	-656335.4408017648
1995	-707330.3432600952
1996	-682897.0563199508
1997	-677955.5809374738
1998	-648837.9792093516
1999	-678538.5230890834
2000	-711017.1768581786
2001	-634790.4653117654
2002	-623610.0924809878
2003	-708794.6571472774
2004	-677431.3025835643
2005	-685165.7657439897
2006	-734085.198398117
2007	-760426.0466424972
2008	-677869.7589586213
2009	-706295.9893001313
2010	-649109.3468423008
2011	-584369.0111263099
2012	-418202.8513389435
2013	-454258.15593557945
2014	-583294.60676887
2015	-635935.714356127
2016	-711485.6496619221