Year	thousand metric tons of CO2 equivalent
1970	362.6177000865937
1971	382.34485561752354
1972	417.32623253631573
1973	456.00473555564895
1974	474.57956433486925
1975	550.5699087829598
1976	259.4816874160756
1977	312.8035478744505
1978	313.09607653617877
1979	340.97484098434506
1980	458.44240612602243
1981	-492.0420919723483
1982	-597.6962401618985
1983	-540.6661895179686
1984	-516.1258323478701
1985	-396.82828936004944
1986	-502.28207839966035
1987	-550.0765092468291
1988	-643.7153097152709
1989	-706.2398585891715
1990	-163.00963544845945
1991	-208.91718292235964
1992	-277.0900192260706
1993	-267.60968017577943
1994	-311.64755249023074
1995	-321.02996826172057
1996	-242.06232452392942
1997	-281.89053344726926
1998	-367.84130859375
1999	-238.7938461303711
2000	-324.81298828125
2001	-186.45939636230105
2002	-204.70460510253906
2003	-240.5666198730496
2004	-286.0252990722702
2005	-288.0578308105496
2006	-468.4666290283203
2007	-194.73619079590026
2008	-172.93453979492006
2009	-245.84936523437955
2010	-1738.6241149902307
2011	-736.9333953857422
2012	201.81694030762083
2013	343.4930572509802
2014	305.4349670410202
2015	661.45554733276
2016	841.5711288452103