Year	thousand metric tons of CO2 equivalent
1990	2926.207447
1991	2869.053436
1992	3489.85
1993	2936.89
1994	1871.285
1995	1595.2875
1996	1544.85
1997	1447.0925
1998	1363.4825
1999	1252.3275
2000	1090.4775
2001	1069.1525
2002	1113.5
2003	1119.31
2004	1064.9025
2005	1050.94
2006	1071.4225
2007	1051.9525
2008	1084.555
2009	1032.9725
2010	1021.0125
2011	1025.8125
2012	1025.17
2013	1043.6775
2014	1068.5275
2015	1093.4625
2016	1081.415
2017	1053.83
2018	1002.8975
2019	993.4175
2020	991.57