Year	thousand metric tons of CO2 equivalent
1990	463812.144022
1991	465484.3892560001
1992	476027.3340099999
1993	476937.6163999998
1994	484656.9488
1995	495674.0684000001
1996	508803.1438000001
1997	517087.72259999986
1998	528130.5595999999
1999	531252.4075999998
2000	531583.6346000002
2001	537025.949
2002	539815.1694000001
2003	552252.7357999999
2004	565751.5099999999
2005	584968.338
2006	604101.1598000001
2007	619955.6538000003
2008	628635.2614
2009	637724.6488000001
2010	655132.1698000001
2011	672961.0627999997
2012	668779.497
2013	672872.4077999999
2014	677783.9842000001
2015	683800.7233999999
2016	695990.6518000001
2017	719001.4071999999
2018	724664.778
2019	743016.8695999999
2020	774063.5824