Year	thousand metric tons of CO2 equivalent
1970	72181.3811767578
1971	72176.1221923828
1972	75719.90012207029
1973	79507.5813720703
1974	83146.8868408203
1975	73036.49204101559
1976	75838.3641357422
1977	78502.0906982422
1978	81361.14038085942
1979	84234.60290527341
1980	86897.33393164059
1981	87576.64020117192
1982	88575.5519628906
1983	90400.21860742189
1984	92375.28051562501
1985	94312.53580664058
1986	95693.05126171869
1987	95561.7659355469
1988	99688.82411523441
1989	100589.76091015617
1990	-2888.775878906301
1991	-2759.0869140625
1992	-969.330078125
1993	-461.42687988279977
1994	-845.9046630858993
1995	-1264.605957031299
1996	-1275.4859619141007
1997	-1050.3068847655995
1998	-1104.7028808594005
1999	-1041.1751708983993
2000	-1085.7960205077998
2001	-1181.244140625
2002	-1211.4460449219005
2003	-1185.940917968799
2004	-1079.0828857422002
2005	-891.3728027344005
2006	-1021.9821777344005
2007	-2121.723144531299
2008	-2148.2381591797002
2009	-899.1121826172002
2010	-762.0250244141007
2011	-1388.7481689452998
2012	-1581.8160400391007
2013	-1023.5139160155995
2014	-1314.5860595702998
2015	-1730.1513671875
2016	-1825.2640380858993