Year	thousand metric tons of CO2 equivalent
1990	322155.5774989999
1991	327136.917499
1992	332380.49749900005
1993	332262.6075
1994	338498.6074999999
1995	344793.1425
1996	350066.00999999995
1997	356659.445
1998	376647.3575000001
1999	378752.745
2000	383822.0200000001
2001	380178.64499999996
2002	397546.23750000005
2003	412639.23249999987
2004	416580.15499999997
2005	436937.2000000001
2006	432512.0874999999
2007	454939.36
2008	468896.2975
2009	466364.48000000004
2010	488148.00499999995
2011	499219.0100000001
2012	508511.795
2013	513090.9149999999
2014	516607.8875
2015	528281.9575
2016	547031.3624999999
2017	549465.6975000002
2018	560426.625
2019	574210.8149999998
2020	596285.4550000001