Year	thousand metric tons of CO2 equivalent
1970	10240.2301513672
1971	10146.219604492197
1972	11156.509960937496
1973	11271.290429687499
1974	10070.419677734399
1975	8780.705932617202
1976	7095.139648437503
1977	6255.658789062503
1978	5424.337255859399
1979	7923.051074218699
1980	5345.262597656197
1981	5343.411767578098
1982	4282.041601562504
1983	6994.930712890602
1984	4091.5828613281055
1985	1927.6843261719005
1986	108.41621093750086
1987	-2991.317089843798
1988	-5966.412011718798
1989	-12866.826953125003
1990	-2807.8759918213
1991	-14212.6051483154
1992	-3348.041412353501
1993	-4106.451751708999
1994	-5830.4580383301
1995	-5362.9364624023
1996	-5162.268707275398
1997	-5744.629547119097
1998	-4461.548980712898
1999	-3987.859619140603
2000	-4707.685729980498
2001	-4065.396148681597
2002	-4021.850708007798
2003	-4282.502807617202
2004	-3353.802459716797
2005	-4108.128326416001
2006	-3774.965179443403
2007	-4033.5713806152053
2008	-3329.129150390596
2009	-6946.127197265596
2010	-2814.765930175796
2011	-2256.8286132812937
2012	-194.58984375
2013	3563.0298461914062
2014	669.5366210937063
2015	-373.4847412109957
2016	1767.7730712890043