Year	thousand metric tons of CO2 equivalent
1990	399152.92280899984
1991	403136.452979
1992	407562.23300000007
1993	407907.37659999984
1994	415766.17299999995
1995	423037.67100000003
1996	426348.45100000006
1997	435931.11780000007
1998	448011.412
1999	452714.5373999999
2000	451214.0478
2001	453263.1554
2002	455583.4728
2003	473256.36280000006
2004	484441.4649999999
2005	502774.45480000007
2006	510614.6858
2007	527801.2994000001
2008	532997.9723999999
2009	544740.5729999999
2010	558248.5255999999
2011	569966.1835999999
2012	568630.637
2013	581429.7965999998
2014	583475.5666
2015	594621.5115999999
2016	603727.2294000001
2017	614590.0148
2018	621345.3469999998
2019	641491.1602
2020	661129.0323999997