Year	thousand metric tons of CO2 equivalent
1970	49608.41697860718
1971	48472.64297897338
1972	47858.34668670654
1973	51454.049200286856
1974	41505.299576263424
1975	43962.817091522214
1976	44929.6873890686
1977	51887.9291833496
1978	44668.715594787594
1979	48354.15022003173
1980	58811.28161468506
1981	50160.41984863281
1982	57292.934898376465
1983	56198.84829803467
1984	56615.196954650884
1985	51421.23735733031
1986	52987.30965911866
1987	54604.7029196167
1988	48655.190390777585
1989	53969.62197860718
1990	-1160.70363616943
1991	-1216.542579650879
1992	-1178.5992622375488
1993	2560.0633811950684
1994	-1704.4810619354248
1995	-1763.9529247283936
1996	-1953.2021312713623
1997	-1664.7361488342285
1998	-1733.669776916504
1999	-1699.6498756408691
2000	-1645.8776321411133
2001	-1658.5887832641602
2002	-1428.160530090332
2003	-1456.2889556884766
2004	-1292.2901458740234
2005	-1263.1566619873047
2006	-1053.3738403320312
2007	-758.5196533203125
2008	-917.9931335448928
2009	-837.2258605957031
2010	6.323913574204198
2011	-627.6622314453125
2012	998.6041259765625
2013	760.6532287597656
2014	1034.2704772949219
2015	819.9024658203125
2016	1385.6690368652344