Year	thousand metric tons of CO2 equivalent
1990	1229852.71692
1991	1233422.599515
1992	1223560.2375
1993	1213140.175
1994	1218430.505
1995	1227642.53
1996	1220139.3425
1997	1170890.6625
1998	1180843.9275
1999	1179714.48
2000	1178218.1
2001	1179270.16
2002	1192905.1150000002
2003	1200542.0575
2004	1221745.2374999998
2005	1230345.0475
2006	1225407.0825
2007	1221040.2875
2008	1229713.565
2009	1226719.555
2010	1244352.145
2011	1236302.0025
2012	1232677.7625
2013	1218490.1675
2014	1221522.9224999996
2015	1221575.8650000002
2016	1225209.2475
2017	1228908.725
2018	1224446.9849999999
2019	1218718.5724999998
2020	1238962.4725000001