Year	thousand metric tons of CO2 equivalent
1990	618543.591812
1991	589612.5499890001
1992	525494.718931
1993	512008.257962
1994	463700.67663900007
1995	454892.621097
1996	452715.344728
1997	428181.7915490001
1998	434289.4889
1999	456570.17869
2000	490283.4572609999
2001	501723.39713299996
2002	523784.43090399995
2003	564971.112891
2004	583813.417014
2005	603240.7401620001
2006	603246.568828
2007	620388.332183
2008	625929.161159
2009	575112.469502
2010	601289.320261
2011	634371.9295319999
2012	628446.5727559999
2013	639377.9007639999
2014	631091.146704
2015	630469.944391
2016	641190.063699
2017	656174.7634229999
2018	687354.363155
2019	702597.362886
2020	675201.962617