Year	thousand metric tons of CO2 equivalent
1970	8461.326235351571
1971	8526.615026855467
1972	8566.611486816408
1973	8598.216989135739
1974	8782.108897094726
1975	8801.209328613288
1976	8897.515385742177
1977	9204.350397949216
1978	9250.775759277343
1979	9293.712570800786
1980	9390.661748046874
1981	9426.884140624998
1982	9535.282204589843
1983	9629.438239746092
1984	11700.83206054687
1985	9725.517001953132
1986	9828.042910156237
1987	8522.959047851606
1988	9717.577158203087
1989	9824.935019531207
1990	-1915.082885742202
1991	-1784.205078125
1992	-2345.101806640596
1993	-2427.801879882798
1994	-2686.609375
1995	-3344.193115234404
1996	-3339.780761718808
1997	-2925.25
1998	-3055.1572265625
1999	-3659.9287109375
2000	-4120.265136718808
2001	-4612.364746093808
2002	-4650.720947265596
2003	-4926.198730468808
2004	-3975.5283203125
2005	-5085.910644531308
2006	-4113.3134765625
2007	-5554.934082031308
2008	-7955.111816406308
2009	-9047.614746093808
2010	-8226.08984375
2011	-4216.9248046875
2012	-1652.130859375
2013	-1632.916015625
2014	-325.283203125
2015	2224.1162109375
2016	1513.7705078125