Year	thousand metric tons of CO2 equivalent
1970	-2118.0631225586026
1971	-1856.8329467773
1972	-1226.6088134765973
1973	-1428.4479980468996
1974	-2524.4432861328005
1975	-579.2402343749982
1976	-1022.6690429688006
1977	-2796.606005859401
1978	-3962.170947265599
1979	-4052.768603515599
1980	-5010.253759765599
1981	9460.334790039098
1982	6620.022265625002
1983	8408.3850585937
1984	10875.472412109399
1985	11348.5987304687
1986	12603.024584960902
1987	14172.781005859397
1988	5891.930029296899
1989	6285.460278320303
1990	-3580.733886718801
1991	-2397.3408203125
1992	227.75610351559953
1993	1136.2530517578016
1994	2010.8771972655995
1995	2918.270019531199
1996	2371.4299316405995
1997	1751.0827636719005
1998	1445.1292724609011
1999	710.3969726561991
2000	207.30908203119907
2001	9.364990234400466
2002	50.86865234369907
2003	-225.08715820309953
2004	-1044.5627441405995
2005	-1055.7734375
2006	-1059.611816406301
2007	-1470.778808593801
2008	-1290.5810546875
2009	-1119.8232421875
2010	-1015.5051269530995
2011	-1130.531738281301
2012	-1521.108886718801
2013	-1440.7939453125
2014	-1565.523925781301
2015	-1718.339355468801
2016	-2048.1945800780995