Year	thousand metric tons of CO2 equivalent
1990	879734.417637
1991	863578.6059990004
1992	855977.0959239998
1993	854183.1390360001
1994	869409.71139
1995	870480.1882900001
1996	887692.3411579999
1997	874860.0795849999
1998	853499.7383679999
1999	839575.8499299999
2000	843536.3661799999
2001	841805.1351929998
2002	828981.2702190002
2003	803051.4007680002
2004	831538.4378500001
2005	805726.2062980002
2006	819039.9765130002
2007	819006.0126719999
2008	768119.956258
2009	755300.4298999999
2010	746512.413173
2011	802063.8138649998
2012	796585.11786
2013	758780.1650010002
2014	774548.1150550001
2015	769960.075724
2016	764387.0572599999
2017	788715.0028559999
2018	785571.405253
2019	769314.581846
2020	752837.4758349998