Year	thousand metric tons of CO2 equivalent
1970	-4.0005568327713
1971	-3.8198381204891003
1972	-4.012642738847699
1973	-2.886174880151752
1974	-2.084159013709999
1975	-4.040074654338399
1976	-3.935862850410898
1977	-7.340990839254901
1978	-26.354747687509104
1979	-19.0440754162049
1984	-4.289625191283191
1985	17.381466088581103
1986	23.812219209909394
1987	17.845589340853696
1988	31.642595531678204
1990	112.946980625391
1991	92.64768943190569
1992	164.5092734545469
1993	135.10270674526691
1994	97.40461620688399
1995	108.49426907300901
1996	119.960542649031
1997	207.51674865186203
1998	165.021120339632
1999	271.87505728006397
2000	209.734259903431
2001	203.487303540111
2002	238.59431880712498
2003	97.50571587681799
2004	266.080143690109
2005	221.36882819235302
2006	285.915509462357
2007	279.59815727174305
2008	230.16297306120396
2009	288.86847367882694
2010	212.57078734040294
2011	210.08214664459194
2012	320.452236831188
2013	235.89221222698995
2014	434.5846781432599
2015	359.6994476616401
2016	736.98527888954