Year	thousand metric tons of CO2 equivalent
1970	20837.960600807193
1971	12352.063484352115
1972	13282.723824081422
1973	14273.727812301639
1974	12716.620594055174
1975	14937.891346038818
1976	13394.939509399414
1977	15438.30707307434
1978	16374.60653152466
1979	21359.23946563721
1980	18357.255274353032
1981	16292.526007064818
1982	18325.602258789062
1983	18732.0269478302
1984	15355.063980087281
1985	15665.719887008669
1986	14523.255021148678
1987	18944.364082748412
1988	14640.670058212278
1989	15890.91650546265
1990	-22.98820686340332
1991	-117.78411674499876
1992	-115.31387519836062
1993	-114.84138679504031
1994	-106.34988784790039
1995	-28.181869506839575
1996	-94.12278747558958
1997	-192.21590423583984
1998	211.7717227935791
1999	221.6600131988489
2000	89.36642074584961
2001	-41.97682571411133
2002	-547.6186981201208
2003	-212.5194702148401
2004	-173.60066986083984
2005	-149.81155395507812
2006	-278.4442825317383
2007	-391.7133712768591
2008	-369.5392761230505
2009	-385.36037445067996
2010	-379.08335876464844
2011	-110.66711425780886
2012	440.87596130371094
2013	686.3171386718714
2014	767.6964645385706
2015	1097.8094406127893
2016	993.9531326293909