Year	thousand metric tons of CO2 equivalent
1970	727.1761074110269
1971	730.5803095803858
1972	727.7978050882219
1973	765.662532177806
1974	839.218214605331
1975	819.1162093261481
1976	500.77319191187604
1977	508.68780267489
1978	537.7453314789531
1979	708.7977870351082
1980	704.751811748147
1981	400.10178011059793
1982	222.95949780678706
1983	191.37729411745093
1984	182.99615435683697
1985	182.37293922793896
1986	175.55516188514196
1987	21.454436911821062
1988	186.79903776514504
1989	338.7153628152609
1990	-475.329855874181
1991	-621.359298750758
1992	-446.86193782091095
1993	-425.607180476189
1994	-145.81911578774498
1995	-178.42759212851502
1996	-163.22723910212505
1997	-193.805104106665
1998	-255.03640514612198
1999	-258.68067419528995
2000	-362.175829708576
2001	-439.541076183319
2002	-413.746421158314
2003	-445.63258886337303
2004	-486.77151536941506
2005	-519.148340463638
2006	-595.5528560876801
2007	-640.5721676349599
2008	-690.18918645382
2009	-724.0103478431699
2010	-736.5527961254099
2011	-846.66545903683
2012	-810.99808973074
2013	-806.77635097504
2014	-1037.34565544128
2015	-895.2917995452899
2016	-988.8512420654299