Year	thousand metric tons of CO2 equivalent
1990	746502.7537330001
1991	734904.557278
1992	725408.6075
1993	713481.0599999998
1994	717140.4375
1995	711895.0399999998
1996	705487.6799999998
1997	702350.3924999998
1998	697866.215
1999	707828.4049999999
2000	709706.11
2001	711147.2975
2002	702201.83
2003	659291.965
2004	679965.6724999999
2005	659617.1174999999
2006	676642.7625
2007	670658.9850000001
2008	653100.75
2009	650206.2374999999
2010	635710.53
2011	676895.9675
2012	673764.7725
2013	631951.98
2014	643446.8524999998
2015	639290.8675
2016	628809.2575000001
2017	649755.5650000001
2018	647017.2625000001
2019	628519.7599999999
2020	615094.9425000001