Year	thousand metric tons of CO2 equivalent
1990	3964.4825
1991	4126.7475
1992	4302.43
1993	4490.445
1994	4705.645
1995	4924.195
1996	4673.525
1997	4826.1025
1998	5303.4375
1999	5195.015
2000	5538.615
2001	5871.195
2002	6441.67
2003	6531.1525
2004	6579.495
2005	7302.345
2006	7465.0175
2007	7665.59
2008	7943.8925
2009	8262.185
2010	10015.7175
2011	10674.375
2012	11395.7475
2013	11636.4125
2014	11904.1925
2015	12028.7275
2016	13234.04
2017	13363.1575
2018	13393.59
2019	14179.9775
2020	14755.5225