Year	thousand metric tons of CO2 equivalent
1990	2885.8
1991	2993.6
1992	3079.2
1993	3177
1994	3303.5
1995	3448.7
1996	3575.2
1997	3789.9
1998	3828.5
1999	3929.8
2000	4538.62
2001	4648.72
2002	4694.62
2003	4846.72
2004	4900.32
2005	4940.42
2006	5001.12
2007	5188.02
2008	5216.42
2009	5270.12
2010	5501.12
2011	5939.12
2012	6128.22
2013	6016.12
2014	6201.82
2015	5841.82
2016	6048.92
2017	6081.42
2018	6688.12
2019	7007.12
2020	6852.32