Year	thousand metric tons of CO2 equivalent
1990	238778.4387
1991	237821.9873
1992	242291.3612
1993	245424.6388
1994	252553.9309
1995	254818.0991
1996	261626.5807
1997	255551.9966
1998	252199.5737
1999	250471.4844
2000	249284.483
2001	244485.7233
2002	245633.9507
2003	254396.1883
2004	252371.4547
2005	255241.5741
2006	263256.3213
2007	267192.1557
2008	249217.3367
2009	248617.5931
2010	256187.4243
2011	263586.1649
2012	255416.8552
2013	257551.4426
2014	258637.0787
2015	258692.1741
2016	264579.4376
2017	263191.4652
2018	265904.1728
2019	263498.7814
2020	258002.356