Year	thousand metric tons of CO2 equivalent
1990	231650.784999
1991	229842.02499899996
1992	233740.55999899996
1993	231611.97
1994	235070.245
1995	239123.08750000002
1996	239144.56749999998
1997	241996.78999999998
1998	256235.17500000005
1999	256531.69500000007
2000	254040.19999999998
2001	254639.72749999995
2002	269242.225
2003	275406.0025
2004	277985.37249999994
2005	289028.16250000003
2006	283170.9525
2007	304145.9125
2008	315579.2425
2009	313883.74999999994
2010	326348.89250000013
2011	329226.6025
2012	333780.05750000005
2013	332139.08
2014	332206.0375
2015	337558.19999999995
2016	340747.8425
2017	339087.0725
2018	343641.675
2019	354115.085
2020	367893.4025