Year	thousand metric tons of CO2 equivalent
1990	745.308623
1991	701.475337
1992	648.2394
1993	550.4656
1994	488.6604
1995	482.462
1996	491.6702
1997	482.3726
1998	466.2806
1999	452.215
2000	458.5326
2001	466.9064
2002	554.3694
2003	536.4298
2004	585.3316
2005	563.965
2006	868.8786
2007	705.3362
2008	681.6154
2009	735.5236
2010	678.2182
2011	707.2434
2012	865.6602
2013	932.0248
2014	883.719
2015	986.082
2016	1517.3564
2017	1116.606
2018	1070.2074
2019	1053.5492
2020	1065.0222