Year	thousand metric tons of CO2 equivalent
1990	316046.02823528
1991	324394.50333289994
1992	328729.7784305
1993	339937.253528
1994	355230.028626
1995	386040.90372299997
1996	386413.3316870001
1997	390705.45965000003
1998	384928.787614
1999	384048.8155769999
2000	393934.643541
2001	409019.670221
2002	423646.1969010001
2003	470789.3735800001
2004	523422.35026100004
2005	573654.2769390002
2006	617643.2500499999
2007	652904.630234
2008	662726.110418
2009	695530.2906010001
2010	748729.5707830002
2011	808583.0990009999
2012	810691.027218
2013	833372.9554359999
2014	841130.783652
2015	823174.0118699999
2016	775208.7468259999
2017	785036.281781
2018	815886.9167360001
2019	840304.451691
2020	839901.1866459999