Year	thousand metric tons of CO2 equivalent
1970	1587419.45344631
1971	962644.8691265847
1972	1013296.7043923318
1973	1074440.1706215877
1974	949134.9733975381
1975	1101878.9901083286
1976	984931.8485192991
1977	1119055.277554038
1978	1176444.9846870878
1979	1529059.2382852635
1980	1293217.1789734461
1981	1138988.1418047177
1982	1279080.9662789458
1983	1289548.5426702176
1984	1032199.4430865934
1985	1043607.7735463531
1986	969010.5281027646
1987	1294200.3342535652
1988	954367.244729883
1989	1053647.8771021084
1990	-23342.39654705934
1991	-24323.736055133926
1992	-29755.71561564739
1993	-22821.263381007873
1994	-23583.996219638866
1995	-21069.706628972242
1996	-24252.470340482047
1997	-26831.099982980537
1998	-23891.533199358062
1999	-22184.446961376307
2000	-20582.66296316856
2001	29919.73965508285
2002	27150.517472904325
2003	22082.3336554837
2004	28499.036494020776
2005	16324.459548341034
2006	15362.027186506943
2007	18215.263098195173
2008	24455.6242228478
2009	27924.616916681316
2010	42800.27078785947
2011	48331.31989436298
2012	72440.63354186388
2013	70001.98665570465
2014	73024.711698547
2015	68559.00421380995
2016	73149.43150731175