Year	thousand metric tons of CO2 equivalent
1990	1356.7046
1991	1017.4018
1992	965.2518
1993	1036.295
1994	1270.5826
1995	1267.7516
1996	1119.8244
1997	1052.089
1998	1089.9648
1999	1035.848
2000	1091.7826
2001	1052.8638
2002	1196.1422
2003	1210.1184
2004	1164.9714
2005	1167.2064
2006	1111.7486
2007	1106.027
2008	1035.3116
2009	1032.0634
2010	1023.6598
2011	1059.2112
2012	1061.6548
2013	1031.378
2014	1046.0098
2015	1085.6736
2016	1118.4536
2017	1084.422
2018	971.3012
2019	999.7304
2020	907.4398