Year	thousand metric tons of CO2 equivalent
1990	639.0312
1991	636.7366
1992	648.2096
1993	661.858
1994	671.6324
1995	658.0734
1996	482.164
1997	465.8336
1998	445.3014
1999	428.1664
2000	404.7436
2001	430.1034
2002	472.032
2003	669.9338
2004	749.8276
2005	747.682
2006	1065.201
2007	998.2702
2008	802.1564
2009	906.8438
2010	825.1918
2011	932.1142
2012	1150.429
2013	1114.1326
2014	1182.7322
2015	1217.5386
2016	1159.6372
2017	1139.5818
2018	1094.8818
2019	1040.9438
2020	1055.4862