Year	thousand metric tons of CO2 equivalent
1990	246291.563749
1991	250756.13010899996
1992	255360.887469
1993	256711.89018
1994	261761.57763
1995	266280.91681
1996	270415.74363
1997	276567.74714999995
1998	292389.59680000006
1999	294710.59148000006
2000	298520.62
2001	294119.97266
2002	312725.53742999997
2003	328387.37947999995
2004	330111.66565000004
2005	348314.45470999996
2006	345497.00372
2007	356542.43499000004
2008	368992.1596599999
2009	372093.13670000003
2010	389186.11474
2011	391751.31756999996
2012	403775.58749999997
2013	413714.00500000006
2014	419541.1350000001
2015	429701.00999999995
2016	440701.0225
2017	442083.0575
2018	452257.41750000004
2019	466408.0850000001
2020	483967.265