Year	thousand metric tons of CO2 equivalent
1970	206.10205078124977
1971	279.61910839843995
1972	455.36886376952975
1973	87.37395751953
1974	244.01802587891052
1975	409.8869833984422
1976	480.516988281252
1977	246.10494433593976
1978	332.67891210940115
1979	203.5821533203016
1980	361.40901855469974
1981	416.82485742190056
1982	557.5148818358989
1983	634.0857958983979
1984	596.081858398401
1985	457.99585058590037
1986	312.3059414062004
1987	1231.7341298828023
1988	353.725959472702
1989	84.71323876950237
1990	-897.9342041015989
1991	-416.41796875
1992	275.92700195309953
1993	-392.40991210940047
1994	-170.5360107421984
1995	1171.041015625
1996	1783.5849609375
1997	1669.467285156199
1998	2917.832519531199
1999	2399.6799316405995
2000	2036.2373046875
2001	3198.6916503905995
2002	1285.4738769530995
2003	1433.6203613280995
2004	2626.5437011719005
2005	546.1000976561991
2006	307.212890625
2007	-1039.8571777344005
2008	-198.41748046880093
2009	-1621.90625
2010	-1079.5173339843968
2011	-1865.647949218801
2012	-1012.7124023438009
2013	-56.99975585939683
2014	-1528.153808593801
2015	-718.1616210938009
2016	-335.6887207031032