Year	thousand metric tons of CO2 equivalent
1970	57.756408897400014
1971	57.13409131050093
1972	54.90191472435003
1973	56.24069560051
1974	51.88490165329005
1975	50.15985699462903
1976	56.93174978256206
1977	60.50795878028901
1978	74.74507103920007
1979	79.45026087379503
1980	81.94945816421495
1981	300.877621744156
1982	317.10933120536805
1983	448.985257329941
1984	395.65182415008496
1985	302.4465942764279
1986	196.8842397689821
1987	102.28800521851001
1988	73.94496383667014
1989	47.030026702880875
1990	27.96957015991211
1991	-32.95928573607989
1992	170.16097640990984
1993	81.33809661865189
1994	156.1475563049321
1995	173.45011520385697
1996	159.88790893554688
1997	181.67742538452103
1998	206.6868972778302
1999	208.23561859130996
2000	54.429206848139984
2001	138.58598327636992
2002	213.72301483154024
2003	205.5709915161101
2004	189.9422187805203
2005	251.40850830078034
2006	330.40008544921966
2007	307.53978729248
2008	633.6395988464401
2009	3457.0679969787598
2010	382.85480499268033
2011	397.38891601562
2012	974.3396987915003
2013	126.58489990234011
2014	-70.24672317504974
2015	-122.95139312744004
2016	-101.44729232787995