Year	thousand metric tons of CO2 equivalent
1970	1607752.338498041
1971	1001892.8578808209
1972	1056835.7546734894
1973	1124263.5517843738
1974	984964.3721401448
1975	1136610.7995459856
1976	1024452.5934472511
1977	1172290.6291583115
1978	1222459.841574309
1979	1569369.2954255736
1980	1364242.8718666735
1981	1200309.875343085
1982	1352071.1384337263
1983	1354981.7746458487
1984	1108240.91410349
1985	1110315.9184044623
1986	1039431.4552620577
1987	1364211.3422792994
1988	1023597.4698781334
1989	1127272.5163364296
1990	-11367.570321867264
1991	-14773.523121161208
1992	-13573.481563272395
1993	-14761.552604947121
1994	-18154.13371881487
1995	-17749.201448822045
1996	-16711.975681803306
1997	-21799.342676673048
1998	-12093.974719333646
1999	-12347.123487513198
2000	-11692.005114467216
2001	-10045.414732227357
2002	-10160.797075901035
2003	-10811.708606653152
2004	-10707.296782713018
2005	-7913.3522760106125
2006	-6205.295796012829
2007	-4693.641443610151
2008	-706.8641259194937
2009	-10428.789663215508
2010	-8952.02307385751
2011	-5163.543233390022
2012	-12249.687745291423
2013	-15279.46131205561
2014	-12385.914596438466
2015	-31122.432026445807
2016	-36371.535058558016