Year	thousand metric tons of CO2 equivalent
1970	280.41424162292503
1971	280.88884944152795
1972	285.883526405334
1973	297.409450019836
1974	322.3736986808781
1975	323.8288802337649
1976	207.544226989746
1977	215.77743296051005
1978	208.92306816864004
1979	262.3837640533451
1980	266.27982233429003
1981	158.23089001464797
1982	134.54818186950695
1983	143.41286170196506
1984	152.85208650970495
1985	137.18095769500695
1986	130.85507102203405
1987	-91.25422035980202
1988	181.51215541076715
1989	213.6875805053709
1990	215.22068595886185
1991	191.09021568298
1992	242.52188873290993
1993	433.7614789009101
1994	790.7856659889221
1995	762.637892723083
1996	792.3184461593628
1997	728.8643493652339
1998	865.288355827332
1999	1210.77955627441
2000	1131.11380958557
2001	879.6762323379498
2002	1080.0164890289298
2003	1115.5958786010697
2004	715.12013816833
2005	793.32126235962
2006	972.4598484039302
2007	966.6264238357498
2008	885.26524829864
2009	877.5468587875398
2010	969.8798265457199
2011	863.3200674056998
2012	954.1711606979402
2013	1001.7340917587298
2014	1056.81978225708
2015	1097.64782238007
2016	1217.6927022934