Year	thousand metric tons of CO2 equivalent
1970	666.2397223663298
1981	2614.55681903839
1982	2355.9535517692602
1983	2356.73396705627
1984	2043.1333214759804
1985	1388.89087220192
1986	997.2802980327599
1987	829.9929266548204
1988	861.7324257278401
1989	842.8050899696299
1990	-795.60596847534
1991	-627.3408570289598
1992	332.5997800826999
1993	18.146982669829868
1994	-216.8764543533298
1995	-506.4495849609398
1996	-933.9989185333302
1997	-1040.72618246078
1998	-413.17478370667004
1999	-278.8741536140401
2000	-199.49858188629014
2001	-304.23800706862994
2002	-174.94923353195009
2003	-512.3594021797198
2004	-635.0033712387099
2005	-709.56172037125
2006	-796.5090041160602
2007	-950.5403580665602
2008	-981.0059456825302
2009	2900.35111808777
2010	-1291.83077669144
2011	-1249.60704541206
2012	-35.1978287696802
2013	-938.67227435112
2014	-1480.9280691146896
2015	-1908.5305280685398
2016	-2144.2465889453897