Year	thousand metric tons of CO2 equivalent
1990	385985.17352627
1991	406267.3676099001
1992	409993.5616925
1993	419848.10577699996
1994	423453.0998609999
1995	436436.38966
1996	456027.32436699996
1997	461788.0090730001
1998	455398.6937780001
1999	456457.02848399995
2000	472994.9131910001
2001	475577.51983099984
2002	473033.2764720001
2003	510073.9331120002
2004	529900.7897559999
2005	546419.196394
2006	556873.573473
2007	561984.0576230003
2008	567982.741775
2009	570293.0259249998
2010	588408.8019509999
2011	588160.23549
2012	580745.769025
2013	572131.9025610001
2014	585207.1360950001
2015	588529.3696339999
2016	612514.6602420001
2017	620971.0508500001
2018	631253.2414580003
2019	609705.332067
2020	585033.2226750001