Year	thousand metric tons of CO2 equivalent
1970	-178.78038800811737
1971	-170.3643959541323
1972	-224.85821424102824
1973	-170.03531798172025
1974	-169.64503775024377
1975	-222.93364217376757
1976	-141.36275084686258
1977	-155.69641136932432
1978	-143.07165440368772
1979	-163.42695814132685
1980	-133.30262098693902
1981	-133.80691783905058
1982	-144.252838207246
1983	-113.18182822036806
1984	-94.65668098831156
1985	-114.5061967315678
1986	-47.17893590164158
1987	-193.06023652267504
1988	-100.35159666442951
1989	-156.2223400497428
1990	-126.63605499267578
1991	-271.4162197113037
1992	-252.3955841064453
1993	-271.839430809021
1994	-407.40797328948975
1995	-427.6529884338397
1996	-347.53516769409
1997	-499.51982116699037
1998	-294.7039012908899
1999	-152.9271392822302
2000	30.859870910640893
2001	-29.955980300899682
2002	48.25008773804075
2003	44.6949558258093
2004	19.024856567379175
2005	-40.861003875728784
2006	190.72212600708008
2007	308.41604995727903
2008	268.93908691405886
2009	395.21400451660156
2010	409.36309814453125
2011	523.4024505615198
2012	1046.0187988281214
2013	1410.5854797363281
2014	1527.4894714355505
2015	1959.5415496826208
2016	2087.92979431152