Year	thousand metric tons of CO2 equivalent
1970	2487975.9792410526
1971	1624113.6163258045
1972	1788762.5002667168
1973	2071435.1400195071
1974	1572914.242709231
1975	1702690.165996829
1976	1578409.125538763
1977	1973874.4413781422
1978	2101238.796576789
1979	2393526.3657166883
1980	2322649.584175764
1981	2019124.1965064618
1982	2246539.3372038393
1983	2748116.046193583
1984	1984920.301753419
1985	1859444.478765239
1986	1900965.476621185
1987	2478360.671351736
1988	1902225.2220818645
1989	1811969.7649753727
1990	-20643.156077777207
1991	-23790.40309606176
1992	-17530.001770713687
1993	-11615.61372377026
1994	-20413.920946028295
1995	-22528.375508375455
1996	-33784.799044664585
1997	-36950.13018846551
1998	-31451.175651390993
1999	-34073.11283011771
2000	-36111.299882430234
2001	-31317.877782260184
2002	-22337.025918227184
2003	-27982.14160981644
2004	-16419.909688889005
2005	-8668.51892024119
2006	3094.643647283717
2007	4090.8091058823566
2008	11952.383682736992
2009	10435.022865075876
2010	28417.55404681156
2011	42609.45158142455
2012	37423.326976016615
2013	53100.73726182075
2014	69252.00095389059
2015	60695.953212727065
2016	81059.65413345039