Year	thousand metric tons of CO2 equivalent
1990	220900.50387399996
1991	209544.491125
1992	197009.73700000005
1993	193988.2256
1994	194024.1644
1995	191600.64959999998
1996	196071.0668
1997	195734.56519999995
1998	195263.33779999998
1999	194325.79999999996
2000	190307.1508
2001	188655.78380000003
2002	187614.81019999998
2003	187100.9986
2004	188364.10139999999
2005	183393.9084
2006	181511.38280000008
2007	185757.73380000002
2008	182288.03039999996
2009	176899.803
2010	179811.7994
2011	177644.41560000004
2012	178261.00740000003
2013	181544.8184
2014	184271.48860000004
2015	185916.74659999998
2016	185043.5172
2017	186638.14500000002
2018	181277.5124
2019	181527.56420000002
2020	180075.41019999995