Year	thousand metric tons of CO2 equivalent
1990	8148.608585
1991	7669.370485
1992	6378.2132
1993	5867.0538
1994	5829.8634
1995	5874.1164
1996	5149.44
1997	7876.7658
1998	7750.533
1999	7664.1726
2000	7588.3614
2001	7348.1436
2002	7482.631
2003	7584.9344
2004	7293.9374
2005	7880.3418
2006	8230.9686
2007	8559.7222
2008	9013.904
2009	9659.6998
2010	10150.4462
2011	10672.8998
2012	10936.0338
2013	11564.2476
2014	12027.3992
2015	12356.3018
2016	13170.1696
2017	13334.4272
2018	13554.5896
2019	13688.779
2020	13834.1732