Year	thousand metric tons of CO2 equivalent
1990	697144.4182399999
1991	666985.0160259999
1992	600003.7658739999
1993	588547.0358220002
1994	539359.8057540002
1995	531035.6917670001
1996	531588.7143290001
1997	505381.80355600023
1998	510090.3136180001
1999	532093.9997050001
2000	564239.8377489998
2001	575076.2386340001
2002	596684.1401329999
2003	639459.957793
2004	656181.2291519999
2005	675789.0446400002
2006	675050.84688
2007	690590.3142069997
2008	696695.9755330001
2009	642934.2557440001
2010	670878.080203
2011	698534.3865759997
2012	692494.7359880002
2013	701870.324384
2014	689250.1061029999
2015	689700.2852080002
2016	700515.7078140002
2017	716194.8230090002
2018	747471.53821
2019	762120.8534139999
2020	732919.1686149997