Year	thousand metric tons of CO2 equivalent
1970	50660.498368750064
1971	51992.97559374993
1972	58213.51008749998
1973	64450.60633749992
1974	65035.12496874994
1975	76104.17418749986
1976	81628.79824999982
1977	95375.71271250013
1978	101579.04602499993
1979	98777.48615000007
1980	110145.4691500001
1981	107242.40458749997
1982	113225.56490000017
1983	131289.14975
1984	143288.36677500024
1985	146418.9444000001
1986	162281.62677499978
1987	54638.42402500013
1988	205248.27552499983
1989	222342.6173124999
1990	-126304.703125
1991	-116741.6953125
1992	-101474.109375
1993	-200477.21875
1994	-234267.1015625
1995	-233719.109375
1996	-231666.515625
1997	-242443.3125
1998	-210613.21875
1999	-226983.984375
2000	-256914.03125
2001	-234498.5
2002	-235030.59375
2003	-266620.40625
2004	-262726.5
2005	-255787.5
2006	-317003.3125
2007	-386950
2008	-344264
2009	-335582
2010	-285418
2011	-301112
2012	-228593
2013	-246268
2014	-415197
2015	-382872
2016	-364711.4375