Year	thousand metric tons of CO2 equivalent
1990	1627.393607
1991	1573.462269
1992	1308.8275
1993	1333.58
1994	1294.7075
1995	1292.23
1996	1321.055
1997	1263.785
1998	1226.39
1999	1128.8925
2000	1151.985
2001	1200.6525
2002	1165.4825
2003	1180.6675
2004	1118.145
2005	1111.8525
2006	1093.3725
2007	1088.0775
2008	1130.725
2009	1089.79
2010	1090.8175
2011	1074.39
2012	1049.2475
2013	1037.665
2014	1033.3725
2015	1042.11
2016	1073.7325
2017	1072.985
2018	1041.615
2019	1045.0125
2020	1044.715