Year	thousand metric tons of CO2 equivalent
1990	712898.0403120001
1991	708245.7460990002
1992	702796.0777999999
1993	688551.0221999999
1994	691701.359
1995	725600.7661999996
1996	741428.3507999999
1997	707253.8598000002
1998	715745.3101999997
1999	722944.2749999998
2000	713964.2536
2001	727197.8376000002
2002	759049.061
2003	761716.5484000002
2004	779241.988
2005	786950.8307999998
2006	793467.912
2007	812576.9831999999
2008	820879.0545999998
2009	818688.2182
2010	846200.1742000001
2011	857719.6621999998
2012	856775.1214000003
2013	854371.4235999997
2014	864285.3471999998
2015	859608.2967999999
2016	869664.8432000004
2017	889554.3466000004
2018	869725.4265999998
2019	868248.2704
2020	891354.4454