Year	thousand metric tons of CO2 equivalent
1990	542596.6425
1991	549018.4124999999
1992	557363.3450000001
1993	560527.1474999998
1994	569580.2
1995	573789.075
1996	558036.3475
1997	563251.075
1998	566944.285
1999	570118.3075000002
2000	574236.7075
2001	588961.9500000002
2002	610991.1700000002
2003	634265.4650000001
2004	651726.6875
2005	660475.8925
2006	656162.2075
2007	659539.4550000001
2008	658118.6575000001
2009	659629.2474999999
2010	665724.26
2011	661363.795
2012	664905.95
2013	662665.8175000001
2014	667177.3900000001
2015	669937.0525
2016	675087.8650000001
2017	677912.07
2018	673663.4975
2019	683386.7350000001
2020	693599.93