Year	thousand metric tons of CO2 equivalent
1970	-48.81957824539563
1971	-49.13239165612978
1972	-48.79794283890155
1973	-49.03454404327772
1974	-50.760714042087585
1975	-54.531426263607045
1976	-48.25964545898054
1977	-49.65944786415099
1978	-108.81493323873701
1979	-84.06679376930808
1980	-57.47664210474005
1981	-61.40227443139459
1982	-64.54638955191989
1983	-68.63055971672439
1984	-70.61368313499453
1985	-62.88225434044274
1986	-58.122405843547824
1987	-64.20810599615476
1988	-61.322011344341234
1989	-61.54245728676614
1990	-62.62945145368582
1991	-64.37285155057907
1992	-58.74487590789789
1993	-56.65072870254522
1994	-67.29282307624817
1995	-69.53016495704651
1996	-83.82331824302673
1997	-65.02397531270981
1998	-114.74096155166603
1999	-201.09627962112404
2000	-269.420337438583
2001	-176.08550190925598
2002	9.447449445724033
2003	5.658330917357944
2004	-191.36693215370178
2005	-19.469613552094415
2006	-32.61790370941162
2007	29.700847625732422
2008	0.788762092590332
2009	-27.463881015777588
2010	-27.990970134735107
2011	-69.97540855407715
2012	-258.13707542419434
2013	-86.66288089752197
2014	49.53110694885254
2015	146.2497205734253
2016	204.31256675720215