Year	thousand metric tons of CO2 equivalent
1990	603084.8450730001
1991	591445.0423659999
1992	585557.2158000001
1993	586012.7982
1994	591449.0930000001
1995	587617.9752
1996	595497.1548
1997	591875.8289999999
1998	598972.2222
1999	611962.8766000002
2000	610494.6604
2001	613976.7606
2002	605141.0606
2003	573705.6366000001
2004	596490.0312000001
2005	569821.7430000001
2006	589375.0428000002
2007	593672.2922
2008	562775.1157999999
2009	565832.5660000001
2010	561541.5745999999
2011	618030.0373999999
2012	619869.3232
2013	583451.9948
2014	598440.5007999999
2015	594288.5561999999
2016	587274.4706
2017	609866.0890000002
2018	604389.5641999999
2019	588825.1135999999
2020	584461.3804