Year	thousand metric tons of CO2 equivalent
1990	398714.418469
1991	407681.8126200002
1992	417632.89115399984
1993	411152.2877969998
1994	429339.56652699993
1995	475808.849268
1996	507017.1500499999
1997	477794.520614
1998	489205.0853719999
1999	505990.2823579999
2000	503051.6878199999
2001	503860.880311
2002	526819.4262059998
2003	536577.3492979999
2004	557320.6815819999
2005	567295.8388639999
2006	582538.6877209999
2007	598554.3840870003
2008	612907.3169460001
2009	634673.6263940003
2010	647442.3530509999
2011	658758.7841759999
2012	675449.6807980001
2013	689950.9296690003
2014	704895.891515
2015	720794.6190940002
2016	726815.729659
2017	735831.844896
2018	734230.877846
2019	724382.2669900003
2020	731548.1584400001