Year	thousand metric tons of CO2 equivalent
1990	824716.204116
1991	811960.9798600001
1992	803391.9550000002
1993	794241.9075
1994	797273.8724999998
1995	791550.9150000002
1996	783477.7175
1997	780536.5675000002
1998	777155.5175000001
1999	783504.8775
2000	786991.8425
2001	788576.5225000002
2002	779648.0200000001
2003	736258.9425
2004	755554.6975
2005	735480.4300000002
2006	751877.44
2007	748295.1300000001
2008	731244.2875
2009	729154.5350000001
2010	716990.2199999999
2011	757626.9799999999
2012	751903.2025
2013	711203.775
2014	723291.3275
2015	718549.8024999999
2016	710113.4850000003
2017	734451.0975000001
2018	739177.8225000001
2019	724145.32
2020	713697.3800000004