Year	thousand metric tons of CO2 equivalent
1990	322155.57749899995
1991	327136.9174989999
1992	332380.497499
1993	332262.6075
1994	338498.60749999987
1995	344793.14249999996
1996	350066.01
1997	356659.4450000001
1998	376647.35750000004
1999	378752.74500000005
2000	383822.02
2001	380178.64499999996
2002	397546.2375
2003	412639.2324999999
2004	416580.15499999997
2005	436937.20000000007
2006	432512.0874999999
2007	454939.36000000004
2008	468896.29750000004
2009	466364.48000000004
2010	488148.00499999983
2011	499219.01000000007
2012	508511.7949999999
2013	513090.91499999986
2014	516607.88750000007
2015	528281.9575
2016	547031.3625
2017	549465.6975000002
2018	560426.6250000001
2019	574210.815
2020	596285.455