Year	thousand metric tons of CO2 equivalent
1970	1158649.6487359647
1971	820948.5535743389
1972	994179.7818172559
1973	834329.1925437175
1974	896465.2947654319
1975	1017807.3916511175
1976	1171019.557336071
1977	918019.1560281079
1978	1102908.7210394256
1979	1179337.1635675316
1980	1248196.082463542
1981	1134526.4134839734
1982	1215360.2030303478
1983	1225478.573159405
1984	991975.5231342927
1985	1040141.7536016762
1986	1105773.5331284462
1987	1317445.231521872
1988	1141708.103931234
1989	1144916.4831008299
1990	-44688.391030304774
1991	-50450.41485725361
1992	-50434.51524026747
1993	-34697.51470662608
1994	-36752.621357963
1995	-42344.19064226779
1996	-30526.594176486382
1997	-24269.30410285302
1998	-26241.17506688867
1999	-25415.695277379033
2000	-27441.324272080925
2001	-21538.80242690506
2002	-8479.62373173219
2003	-3431.7764258689203
2004	-7934.2208596771525
2005	-13253.512232692097
2006	-13868.948830650077
2007	5706.432060182027
2008	-1417.622170209798
2009	448.0489543083154
2010	-11859.355630413495
2011	24876.885833024367
2012	28460.196719452728
2013	56836.813791170374
2014	44236.212994665024
2015	51224.651116490175
2016	56959.86973105293