Year	thousand metric tons of CO2 equivalent
1990	257051.21651899995
1991	261822.10976899997
1992	266643.961579
1993	273904.9900000001
1994	280290.21000000014
1995	286195.5525000001
1996	287405.11000000004
1997	293818.49750000006
1998	310072.25250000006
1999	313297.265
2000	318929.4100000001
2001	312285.43
2002	327238.50999999995
2003	346751.33999999997
2004	350162.5625
2005	366645.8674999999
2006	359546.45999999996
2007	377501.31
2008	386538.42
2009	385044.5375000001
2010	399691.68499999994
2011	407452.2575000001
2012	420276.6500000001
2013	426879.425
2014	431736.26
2015	439799.16749999986
2016	457874.5424999999
2017	457246.56000000006
2018	469074.77
2019	479388.99
2020	494452.38499999995