Year	thousand metric tons of CO2 equivalent
1970	829344.7866894385
1971	561543.3985587042
1972	1018576.1935898962
1973	1012716.5077555332
1974	601737.2439831101
1975	604914.8952825173
1976	714361.4948521386
1977	1213127.0782915147
1978	1084804.945977911
1979	1127224.957222545
1980	1289417.7117087536
1981	1118083.749565023
1982	2580341.726108952
1983	2145531.486523365
1984	1291343.5675460417
1985	1194322.352856955
1986	1610392.8315176577
1987	2252660.7342256666
1988	1468420.9774526148
1989	1300480.2627742963
1990	-143130.46232136956
1991	-136396.92410817253
1992	-116757.06995562953
1993	-220706.01146707666
1994	-258433.0435492713
1995	-257353.291428445
1996	-257928.09094660138
1997	-269440.9703198316
1998	-233303.24172218505
1999	-249234.2312822926
2000	-279612.87960658234
2001	-254303.16840302263
2002	-259512.1777331469
2003	-292946.82727407676
2004	-287887.8187074566
2005	-285335.0349637733
2006	-348413.5462431111
2007	-417320.02190411557
2008	-371400.1020553319
2009	-357399.3213984117
2010	-286645.1567219974
2011	-259307.3310286521
2012	-179043.03029585062
2013	-233052.13365453208
2014	-397011.63374400255
2015	-346893.66506443726
2016	-351829.04996376164