Year	thousand metric tons of CO2 equivalent
1970	-4456.85167968799
1971	71.93245781200312
1972	162.2303062500141
1973	753.7324343749933
1974	619.4726093750123
1975	643.8106406249899
1976	843.3140781249949
1977	763.1362890620148
1978	844.1381875000097
1979	1061.0760000000046
1980	932.748281250013
1981	906.8078906249921
1982	311.2671484370112
1983	535.4222070309952
1984	500.318046874987
1985	973.1117382810062
1986	1209.8489843749958
1987	1034.6248437500017
1988	1014.6201953120017
1989	714.6765820310065
1990	-5542.092773437995
1991	-5006.775390625
1992	-4701.380859375
1993	-4587.998046875
1994	-4885.361328125
1995	-5438.9765625
1996	-5607.96484375
1997	-4912.00390625
1998	-5007.143554687995
1999	-4846.424804687995
2000	-3647.873046875
2001	-2142.806640625
2002	-2465.3310546879948
2003	-4954.703613281003
2004	-3384.5634765629948
2005	-2270.4267578129948
2006	-1649.671875
2007	-1768.1328125
2008	-3268.46875
2009	343.0708007810026
2010	651.634765625
2011	-294.89990234379366
2012	4130.307128906206
2013	4545.525390625
2014	3824.5751953125
2015	4896.5263671875
2016	2697.1870117187063