Year	thousand metric tons of CO2 equivalent
1970	-114.62308593749958
1971	27.13188964843971
1972	-78.39492675780866
1973	146.59499999999912
1974	-11.955190429689992
1975	1203.6261474609387
1976	811.3990673828102
1977	1232.5141113281002
1978	608.3892041016004
1979	842.0611572266012
1980	1279.272895507798
1981	1041.139223632801
1982	82.43795898440044
1983	369.1530664062009
1984	2704.8490820312
1985	2128.108891601601
1986	1345.9157226562
1987	3502.1130322265994
1988	2059.5939843749984
1989	274.2359008788999
1990	-1618.0499267577998
1991	-1366.7652587891007
1992	-733.7791748047002
1993	-762.9507446289008
1994	-930.4161987304997
1995	-920.2885742187991
1996	-986.1520385742006
1997	-1046.1992797852
1998	-1021.0682373046984
1999	-1005.4660644530995
2000	-1038.0015258789008
2001	-1910.3762207030995
2002	-1882.699707031301
2003	-1684.4548339844005
2004	-1565.0070800780995
2005	-1454.449707031301
2006	-1411.4970703125
2007	-1359.7556152344005
2008	-1280.8088378905995
2009	-1284.4300537109011
2010	-1092.6312255859011
2011	-82.19775390629911
2012	-494.4652099608993
2013	-438.4456787108993
2014	-418.1437377929997
2015	-824.7116699219005
2016	-402.60089111329944