Year	thousand metric tons of CO2 equivalent
1970	28.94794616698948
1971	49.22210968018044
1972	40.031330261229414
1973	56.38764465331951
1974	163.00930541991966
1975	226.30412780762038
1976	246.18156372069996
1977	208.4088433837902
1978	238.96165405273007
1979	289.8492816162101
1980	206.72727539061964
1981	265.3180554199196
1982	254.15878906249986
1983	236.69967956543007
1984	247.0927893066405
1985	263.3497760009801
1986	286.37009094238033
1987	0.1457012939501965
1988	281.5147940063496
1989	291.6009985351599
1990	2.3943023681604245
1991	26.0879974365198
1992	-72.68524169922057
1993	11.152740478520172
1994	5.713592529300513
1995	25.3203125
1996	68.96099853515989
1997	103.06799316405977
1998	132.8192749023401
1999	155.97158813477017
2000	271.2650451660202
2001	206.95281982421966
2002	210.23944091796966
2003	225.7655181884802
2004	242.69897460937045
2005	229.18139648437045
2006	237.60452270507994
2007	545.3694763183603
2008	341.6902160644504
2009	655.1072082519495
2010	625.71142578125
2011	995.8154907226599
2012	838.3033447266007
2013	951.0036010742006
2014	1137.604980468701
2015	278.50793457029977
2016	170.2366943358993