Year	thousand metric tons of CO2 equivalent
1970	102.39201103031638
1971	102.76050201654428
1972	108.5422425886393
1973	111.32519301998622
1974	118.85711919009691
1975	122.17516404128071
1976	87.65087284183498
1977	98.27694890379911
1978	91.76267608475692
1979	104.742700879097
1980	102.80415322208401
1981	67.3613024685383
1982	71.6213649101257
1983	109.734722932696
1984	115.423350316882
1985	115.411910157204
1986	102.512850648999
1987	38.13230283534503
1988	159.203557908535
1989	180.45275105679002
1990	-37.875798478723
1991	-53.52259020507299
1992	-27.315935626625986
1993	-0.897165179252994
1994	110.32195773720741
1995	102.814863294363
1996	138.240864664316
1997	224.249066710472
1998	309.05662104487396
1999	397.112897366285
2000	409.910654067993
2001	447.20072185993195
2002	250.43173012137402
2003	272.19920450449
2004	469.380579531193
2005	383.819153666496
2006	368.985418975353
2007	249.68062287569
2008	297.276524305344
2009	105.18920987844501
2010	10.208420753479004
2011	-51.626208364963986
2012	-2.01346389949299
2013	-32.982008919120005
2014	7.741260260344006
2015	53.58206339180498
2016	80.30740322172596