Year	thousand metric tons of CO2 equivalent
1970	-1.5864707707405028
1971	-1.2993283703327023
1972	-1.4273157329081982
1973	-1.4755839796066006
1974	-2.3882220480442022
1975	-5.539898222446393
1976	-6.143051384639705
1977	-5.514625845336894
1978	-6.970716556930494
1979	-6.681009266185809
1980	-13.018804227065994
1981	6.114812880325301
1982	8.189401382255593
1983	15.453719624471695
1984	11.689985141944904
1985	5.555599699926397
1986	-1.7273810963631
1987	-16.5175919983387
1988	-6.086373179435693
1989	-8.028416734695401
1990	-18.457751750946002
1991	-18.9174676537514
1992	1.9551677703856853
1993	-9.697775065898895
1994	-7.989677071571407
1995	-1.3643805682659007
1996	-13.041019499301896
1997	13.721201777458205
1998	-11.878296136855994
1999	-8.164692640305006
2000	7.920753479004006
2001	19.119739532470987
2002	3.7032010555270034
2003	11.862712383270008
2004	23.441695690155
2005	37.92156624794001
2006	42.902395486832006
2007	48.658016920090006
2008	51.31286734342601
2009	367.570129156113
2010	39.602725416422004
2011	23.363083720206987
2012	102.422182947397
2013	6.679594233632002
2014	14.060244545340993
2015	6.998724773525993
2016	4.233461022377014