Year	thousand metric tons of CO2 equivalent
1970	-211.24759570309925
1971	-1375.8706105469032
1972	-1603.0841425780964
1973	-1942.934005078097
1974	-1342.839634765598
1975	-1282.0792609374994
1976	-1547.707775781303
1977	-1007.4148605468972
1978	-721.9089652344019
1979	-696.9859992188003
1980	-264.63726367190066
1981	249.4301835936967
1982	479.24904296870136
1983	605.868748046897
1984	330.2662929686967
1985	527.1181386719009
1986	767.2136855468962
1987	761.0593125000014
1988	873.3744941406012
1989	895.5012363281012
1990	-2426.469482421897
1991	-1636.0568847655995
1992	-815.2202148438009
1993	-1929.2526855468968
1994	-2047.3015136718968
1995	-2816.698974609397
1996	-3282.4951171875
1997	-3835.201171875
1998	-3504.732910156301
1999	-3996.609863281301
2000	-3754.969238281301
2001	-3434.8916015625
2002	-2655.208984375
2003	-2911.366699218801
2004	-2786.680175781301
2005	-3004.003417968801
2006	-3006.4072265625
2007	-3584.9375
2008	-2795.5361328125
2009	-2153.203125
2010	-2073.0908203125
2011	-1763.5283203125
2012	2075.0654296875
2013	2219.3813476562063
2014	1724.7470703125
2015	7292.126464843706
2016	7591.4736328125